416237320

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{19973}}^1$

素因数の和:20505

約数の個数: 32

約数和(自身を含む): 938378520

約数和(自身を除く): 522141200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 1042, 2084, 2605, 4168, 5210, 10420, 19973, 20840, 39946, 79892, 99865, 159784, 199730, 399460, 798920, 10405933, 20811866, 41623732, 52029665, 83247464, 104059330, 208118660, 416237320]

約数ペア:

[(1, 416237320), (2, 208118660), (4, 104059330), (5, 83247464), (8, 52029665), (10, 41623732), (20, 20811866), (40, 10405933), (521, 798920), (1042, 399460), (2084, 199730), (2605, 159784), (4168, 99865), (5210, 79892), (10420, 39946), (19973, 20840)]