13566680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:380

約数の個数: 64

約数和(自身を含む): 32892480

約数和(自身を除く): 19325800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 71, 85, 136, 142, 170, 281, 284, 340, 355, 562, 568, 680, 710, 1124, 1207, 1405, 1420, 2248, 2414, 2810, 2840, 4777, 4828, 5620, 6035, 9554, 9656, 11240, 12070, 19108, 19951, 23885, 24140, 38216, 39902, 47770, 48280, 79804, 95540, 99755, 159608, 191080, 199510, 339167, 399020, 678334, 798040, 1356668, 1695835, 2713336, 3391670, 6783340, 13566680]

約数ペア:

[(1, 13566680), (2, 6783340), (4, 3391670), (5, 2713336), (8, 1695835), (10, 1356668), (17, 798040), (20, 678334), (34, 399020), (40, 339167), (68, 199510), (71, 191080), (85, 159608), (136, 99755), (142, 95540), (170, 79804), (281, 48280), (284, 47770), (340, 39902), (355, 38216), (562, 24140), (568, 23885), (680, 19951), (710, 19108), (1124, 12070), (1207, 11240), (1405, 9656), (1420, 9554), (2248, 6035), (2414, 5620), (2810, 4828), (2840, 4777)]