207874160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1979}}^1$

素因数の和:2106

約数の個数: 80

約数和(自身を含む): 525903840

約数和(自身を除く): 318029680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 101, 104, 130, 202, 208, 260, 404, 505, 520, 808, 1010, 1040, 1313, 1616, 1979, 2020, 2626, 3958, 4040, 5252, 6565, 7916, 8080, 9895, 10504, 13130, 15832, 19790, 21008, 25727, 26260, 31664, 39580, 51454, 52520, 79160, 102908, 105040, 128635, 158320, 199879, 205816, 257270, 399758, 411632, 514540, 799516, 999395, 1029080, 1599032, 1998790, 2058160, 2598427, 3198064, 3997580, 5196854, 7995160, 10393708, 12992135, 15990320, 20787416, 25984270, 41574832, 51968540, 103937080, 207874160]

約数ペア:

[(1, 207874160), (2, 103937080), (4, 51968540), (5, 41574832), (8, 25984270), (10, 20787416), (13, 15990320), (16, 12992135), (20, 10393708), (26, 7995160), (40, 5196854), (52, 3997580), (65, 3198064), (80, 2598427), (101, 2058160), (104, 1998790), (130, 1599032), (202, 1029080), (208, 999395), (260, 799516), (404, 514540), (505, 411632), (520, 399758), (808, 257270), (1010, 205816), (1040, 199879), (1313, 158320), (1616, 128635), (1979, 105040), (2020, 102908), (2626, 79160), (3958, 52520), (4040, 51454), (5252, 39580), (6565, 31664), (7916, 26260), (8080, 25727), (9895, 21008), (10504, 19790), (13130, 15832)]