65718705020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{53867791}}^1$

素因数の和:53867861

約数の個数: 24

約数和(自身を含む): 140271730368

約数和(自身を除く): 74553025348

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 53867791, 107735582, 215471164, 269338955, 538677910, 1077355820, 3285935251, 6571870502, 13143741004, 16429676255, 32859352510, 65718705020]

約数ペア:

[(1, 65718705020), (2, 32859352510), (4, 16429676255), (5, 13143741004), (10, 6571870502), (20, 3285935251), (61, 1077355820), (122, 538677910), (244, 269338955), (305, 215471164), (610, 107735582), (1220, 53867791)]