12563575840

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{101}}^1\times {\mathrm{809}}^1$

素因数の和:987

約数の個数: 144

約数和(自身を含む): 31011747480

約数和(自身を除く): 18448171640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 101, 124, 155, 160, 202, 248, 310, 404, 496, 505, 620, 808, 809, 961, 992, 1010, 1240, 1616, 1618, 1922, 2020, 2480, 3131, 3232, 3236, 3844, 4040, 4045, 4805, 4960, 6262, 6472, 7688, 8080, 8090, 9610, 12524, 12944, 15376, 15655, 16160, 16180, 19220, 25048, 25079, 25888, 30752, 31310, 32360, 38440, 50096, 50158, 62620, 64720, 76880, 81709, 97061, 100192, 100316, 125240, 125395, 129440, 153760, 163418, 194122, 200632, 250480, 250790, 326836, 388244, 401264, 408545, 485305, 500960, 501580, 653672, 776488, 777449, 802528, 817090, 970610, 1003160, 1307344, 1552976, 1554898, 1634180, 1941220, 2006320, 2532979, 2614688, 3105952, 3109796, 3268360, 3882440, 3887245, 4012640, 5065958, 6219592, 6536720, 7764880, 7774490, 10131916, 12439184, 12664895, 13073440, 15529760, 15548980, 20263832, 24878368, 25329790, 31097960, 40527664, 50659580, 62195920, 78522349, 81055328, 101319160, 124391840, 157044698, 202638320, 314089396, 392611745, 405276640, 628178792, 785223490, 1256357584, 1570446980, 2512715168, 3140893960, 6281787920, 12563575840]

約数ペア:

[(1, 12563575840), (2, 6281787920), (4, 3140893960), (5, 2512715168), (8, 1570446980), (10, 1256357584), (16, 785223490), (20, 628178792), (31, 405276640), (32, 392611745), (40, 314089396), (62, 202638320), (80, 157044698), (101, 124391840), (124, 101319160), (155, 81055328), (160, 78522349), (202, 62195920), (248, 50659580), (310, 40527664), (404, 31097960), (496, 25329790), (505, 24878368), (620, 20263832), (808, 15548980), (809, 15529760), (961, 13073440), (992, 12664895), (1010, 12439184), (1240, 10131916), (1616, 7774490), (1618, 7764880), (1922, 6536720), (2020, 6219592), (2480, 5065958), (3131, 4012640), (3232, 3887245), (3236, 3882440), (3844, 3268360), (4040, 3109796), (4045, 3105952), (4805, 2614688), (4960, 2532979), (6262, 2006320), (6472, 1941220), (7688, 1634180), (8080, 1554898), (8090, 1552976), (9610, 1307344), (12524, 1003160), (12944, 970610), (15376, 817090), (15655, 802528), (16160, 777449), (16180, 776488), (19220, 653672), (25048, 501580), (25079, 500960), (25888, 485305), (30752, 408545), (31310, 401264), (32360, 388244), (38440, 326836), (50096, 250790), (50158, 250480), (62620, 200632), (64720, 194122), (76880, 163418), (81709, 153760), (97061, 129440), (100192, 125395), (100316, 125240)]