7919020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6491}}^1$

素因数の和:6561

約数の個数: 24

約数和(自身を含む): 16905168

約数和(自身を除く): 8986148

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 6491, 12982, 25964, 32455, 64910, 129820, 395951, 791902, 1583804, 1979755, 3959510, 7919020]

約数ペア:

[(1, 7919020), (2, 3959510), (4, 1979755), (5, 1583804), (10, 791902), (20, 395951), (61, 129820), (122, 64910), (244, 32455), (305, 25964), (610, 12982), (1220, 6491)]