56678680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{4903}}^1$

素因数の和:4948

約数の個数: 48

約数和(自身を含む): 135497520

約数和(自身を除く): 78818840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 2312, 2890, 4903, 5780, 9806, 11560, 19612, 24515, 39224, 49030, 83351, 98060, 166702, 196120, 333404, 416755, 666808, 833510, 1416967, 1667020, 2833934, 3334040, 5667868, 7084835, 11335736, 14169670, 28339340, 56678680]

約数ペア:

[(1, 56678680), (2, 28339340), (4, 14169670), (5, 11335736), (8, 7084835), (10, 5667868), (17, 3334040), (20, 2833934), (34, 1667020), (40, 1416967), (68, 833510), (85, 666808), (136, 416755), (170, 333404), (289, 196120), (340, 166702), (578, 98060), (680, 83351), (1156, 49030), (1445, 39224), (2312, 24515), (2890, 19612), (4903, 11560), (5780, 9806)]