8131086680

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{544979}}^1$

素因数の和:545363

約数の個数: 32

約数和(自身を含む): 18344026800

約数和(自身を除く): 10212940120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 373, 746, 1492, 1865, 2984, 3730, 7460, 14920, 544979, 1089958, 2179916, 2724895, 4359832, 5449790, 10899580, 21799160, 203277167, 406554334, 813108668, 1016385835, 1626217336, 2032771670, 4065543340, 8131086680]

約数ペア:

[(1, 8131086680), (2, 4065543340), (4, 2032771670), (5, 1626217336), (8, 1016385835), (10, 813108668), (20, 406554334), (40, 203277167), (373, 21799160), (746, 10899580), (1492, 5449790), (1865, 4359832), (2984, 2724895), (3730, 2179916), (7460, 1089958), (14920, 544979)]