27857560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{577}}^1$

素因数の和:676

約数の個数: 64

約数和(自身を含む): 67417920

約数和(自身を除く): 39560360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 71, 85, 136, 142, 170, 284, 340, 355, 568, 577, 680, 710, 1154, 1207, 1420, 2308, 2414, 2840, 2885, 4616, 4828, 5770, 6035, 9656, 9809, 11540, 12070, 19618, 23080, 24140, 39236, 40967, 48280, 49045, 78472, 81934, 98090, 163868, 196180, 204835, 327736, 392360, 409670, 696439, 819340, 1392878, 1638680, 2785756, 3482195, 5571512, 6964390, 13928780, 27857560]

約数ペア:

[(1, 27857560), (2, 13928780), (4, 6964390), (5, 5571512), (8, 3482195), (10, 2785756), (17, 1638680), (20, 1392878), (34, 819340), (40, 696439), (68, 409670), (71, 392360), (85, 327736), (136, 204835), (142, 196180), (170, 163868), (284, 98090), (340, 81934), (355, 78472), (568, 49045), (577, 48280), (680, 40967), (710, 39236), (1154, 24140), (1207, 23080), (1420, 19618), (2308, 12070), (2414, 11540), (2840, 9809), (2885, 9656), (4616, 6035), (4828, 5770)]