5081840

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{457}}^1$

素因数の和:609

約数の個数: 40

約数和(自身を含む): 11926320

約数和(自身を除く): 6844480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 457, 556, 695, 914, 1112, 1390, 1828, 2224, 2285, 2780, 3656, 4570, 5560, 7312, 9140, 11120, 18280, 36560, 63523, 127046, 254092, 317615, 508184, 635230, 1016368, 1270460, 2540920, 5081840]

約数ペア:

[(1, 5081840), (2, 2540920), (4, 1270460), (5, 1016368), (8, 635230), (10, 508184), (16, 317615), (20, 254092), (40, 127046), (80, 63523), (139, 36560), (278, 18280), (457, 11120), (556, 9140), (695, 7312), (914, 5560), (1112, 4570), (1390, 3656), (1828, 2780), (2224, 2285)]