64301680

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{4813}}^1$

素因数の和:4993

約数の個数: 40

約数和(自身を含む): 150427872

約数和(自身を除く): 86126192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1336, 1670, 2672, 3340, 4813, 6680, 9626, 13360, 19252, 24065, 38504, 48130, 77008, 96260, 192520, 385040, 803771, 1607542, 3215084, 4018855, 6430168, 8037710, 12860336, 16075420, 32150840, 64301680]

約数ペア:

[(1, 64301680), (2, 32150840), (4, 16075420), (5, 12860336), (8, 8037710), (10, 6430168), (16, 4018855), (20, 3215084), (40, 1607542), (80, 803771), (167, 385040), (334, 192520), (668, 96260), (835, 77008), (1336, 48130), (1670, 38504), (2672, 24065), (3340, 19252), (4813, 13360), (6680, 9626)]