65710420

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{53861}}^1$

素因数の和:53931

約数の個数: 24

約数和(自身を含む): 140256648

約数和(自身を除く): 74546228

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 53861, 107722, 215444, 269305, 538610, 1077220, 3285521, 6571042, 13142084, 16427605, 32855210, 65710420]

約数ペア:

[(1, 65710420), (2, 32855210), (4, 16427605), (5, 13142084), (10, 6571042), (20, 3285521), (61, 1077220), (122, 538610), (244, 269305), (305, 215444), (610, 107722), (1220, 53861)]