64059920

素因数分解:

$2^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{2017}}^1$

素因数の和:2427

約数の個数: 40

約数和(自身を含む): 149388504

約数和(自身を除く): 85328584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 397, 794, 1588, 1985, 2017, 3176, 3970, 4034, 6352, 7940, 8068, 10085, 15880, 16136, 20170, 31760, 32272, 40340, 80680, 161360, 800749, 1601498, 3202996, 4003745, 6405992, 8007490, 12811984, 16014980, 32029960, 64059920]

約数ペア:

[(1, 64059920), (2, 32029960), (4, 16014980), (5, 12811984), (8, 8007490), (10, 6405992), (16, 4003745), (20, 3202996), (40, 1601498), (80, 800749), (397, 161360), (794, 80680), (1588, 40340), (1985, 32272), (2017, 31760), (3176, 20170), (3970, 16136), (4034, 15880), (6352, 10085), (7940, 8068)]