40188020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{32941}}^1$

素因数の和:33011

約数の個数: 24

約数和(自身を含む): 85780968

約数和(自身を除く): 45592948

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 32941, 65882, 131764, 164705, 329410, 658820, 2009401, 4018802, 8037604, 10047005, 20094010, 40188020]

約数ペア:

[(1, 40188020), (2, 20094010), (4, 10047005), (5, 8037604), (10, 4018802), (20, 2009401), (61, 658820), (122, 329410), (244, 164705), (305, 131764), (610, 65882), (1220, 32941)]