79668080

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{6343}}^1$

素因数の和:6513

約数の個数: 40

約数和(自身を含む): 186437472

約数和(自身を除く): 106769392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 6280, 6343, 12560, 12686, 25372, 31715, 50744, 63430, 101488, 126860, 253720, 507440, 995851, 1991702, 3983404, 4979255, 7966808, 9958510, 15933616, 19917020, 39834040, 79668080]

約数ペア:

[(1, 79668080), (2, 39834040), (4, 19917020), (5, 15933616), (8, 9958510), (10, 7966808), (16, 4979255), (20, 3983404), (40, 1991702), (80, 995851), (157, 507440), (314, 253720), (628, 126860), (785, 101488), (1256, 63430), (1570, 50744), (2512, 31715), (3140, 25372), (6280, 12686), (6343, 12560)]