40647970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{823}}^1$

素因数の和:1290

約数の個数: 32

約数和(自身を含む): 80092800

約数和(自身を除く): 39444830

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 449, 823, 898, 1646, 2245, 4115, 4490, 4939, 8230, 9053, 9878, 18106, 24695, 45265, 49390, 90530, 369527, 739054, 1847635, 3695270, 4064797, 8129594, 20323985, 40647970]

約数ペア:

[(1, 40647970), (2, 20323985), (5, 8129594), (10, 4064797), (11, 3695270), (22, 1847635), (55, 739054), (110, 369527), (449, 90530), (823, 49390), (898, 45265), (1646, 24695), (2245, 18106), (4115, 9878), (4490, 9053), (4939, 8230)]