28555709720

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{1579}}^1$

素因数の和:1825

約数の個数: 128

約数和(自身を含む): 66890880000

約数和(自身を除く): 38335170280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 79, 97, 118, 158, 194, 236, 295, 316, 388, 395, 472, 485, 590, 632, 776, 790, 970, 1180, 1579, 1580, 1940, 2360, 3158, 3160, 3880, 4661, 5723, 6316, 7663, 7895, 9322, 11446, 12632, 15326, 15790, 18644, 22892, 23305, 28615, 30652, 31580, 37288, 38315, 45784, 46610, 57230, 61304, 63160, 76630, 93161, 93220, 114460, 124741, 153163, 153260, 186322, 186440, 228920, 249482, 306326, 306520, 372644, 452117, 465805, 498964, 612652, 623705, 745288, 765815, 904234, 931610, 997928, 1225304, 1247410, 1531630, 1808468, 1863220, 2260585, 2494820, 3063260, 3616936, 3726440, 4521170, 4989640, 6126520, 7359719, 9036617, 9042340, 12099877, 14719438, 18073234, 18084680, 24199754, 29438876, 36146468, 36798595, 45183085, 48399508, 58877752, 60499385, 72292936, 73597190, 90366170, 96799016, 120998770, 147194380, 180732340, 241997540, 294388760, 361464680, 483995080, 713892743, 1427785486, 2855570972, 3569463715, 5711141944, 7138927430, 14277854860, 28555709720]

約数ペア:

[(1, 28555709720), (2, 14277854860), (4, 7138927430), (5, 5711141944), (8, 3569463715), (10, 2855570972), (20, 1427785486), (40, 713892743), (59, 483995080), (79, 361464680), (97, 294388760), (118, 241997540), (158, 180732340), (194, 147194380), (236, 120998770), (295, 96799016), (316, 90366170), (388, 73597190), (395, 72292936), (472, 60499385), (485, 58877752), (590, 48399508), (632, 45183085), (776, 36798595), (790, 36146468), (970, 29438876), (1180, 24199754), (1579, 18084680), (1580, 18073234), (1940, 14719438), (2360, 12099877), (3158, 9042340), (3160, 9036617), (3880, 7359719), (4661, 6126520), (5723, 4989640), (6316, 4521170), (7663, 3726440), (7895, 3616936), (9322, 3063260), (11446, 2494820), (12632, 2260585), (15326, 1863220), (15790, 1808468), (18644, 1531630), (22892, 1247410), (23305, 1225304), (28615, 997928), (30652, 931610), (31580, 904234), (37288, 765815), (38315, 745288), (45784, 623705), (46610, 612652), (57230, 498964), (61304, 465805), (63160, 452117), (76630, 372644), (93161, 306520), (93220, 306326), (114460, 249482), (124741, 228920), (153163, 186440), (153260, 186322)]