28676360

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{419}}^1$

素因数の和:518

約数の個数: 64

約数和(自身を含む): 68040000

約数和(自身を除く): 39363640

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 59, 116, 118, 145, 232, 236, 290, 295, 419, 472, 580, 590, 838, 1160, 1180, 1676, 1711, 2095, 2360, 3352, 3422, 4190, 6844, 8380, 8555, 12151, 13688, 16760, 17110, 24302, 24721, 34220, 48604, 49442, 60755, 68440, 97208, 98884, 121510, 123605, 197768, 243020, 247210, 486040, 494420, 716909, 988840, 1433818, 2867636, 3584545, 5735272, 7169090, 14338180, 28676360]

約数ペア:

[(1, 28676360), (2, 14338180), (4, 7169090), (5, 5735272), (8, 3584545), (10, 2867636), (20, 1433818), (29, 988840), (40, 716909), (58, 494420), (59, 486040), (116, 247210), (118, 243020), (145, 197768), (232, 123605), (236, 121510), (290, 98884), (295, 97208), (419, 68440), (472, 60755), (580, 49442), (590, 48604), (838, 34220), (1160, 24721), (1180, 24302), (1676, 17110), (1711, 16760), (2095, 13688), (2360, 12151), (3352, 8555), (3422, 8380), (4190, 6844)]