40148980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{32909}}^1$

素因数の和:32979

約数の個数: 24

約数和(自身を含む): 85697640

約数和(自身を除く): 45548660

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 32909, 65818, 131636, 164545, 329090, 658180, 2007449, 4014898, 8029796, 10037245, 20074490, 40148980]

約数ペア:

[(1, 40148980), (2, 20074490), (4, 10037245), (5, 8029796), (10, 4014898), (20, 2007449), (61, 658180), (122, 329090), (244, 164545), (305, 131636), (610, 65818), (1220, 32909)]