20131233880

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{701}}^1\times {\mathrm{1571}}^1$

素因数の和:2740

約数の個数: 64

約数和(自身を含む): 45488083680

約数和(自身を除く): 25356849800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 701, 914, 1402, 1571, 1828, 2285, 2804, 3142, 3505, 3656, 4570, 5608, 6284, 7010, 7855, 9140, 12568, 14020, 15710, 18280, 28040, 31420, 62840, 320357, 640714, 717947, 1101271, 1281428, 1435894, 1601785, 2202542, 2562856, 2871788, 3203570, 3589735, 4405084, 5506355, 5743576, 6407140, 7179470, 8810168, 11012710, 12814280, 14358940, 22025420, 28717880, 44050840, 503280847, 1006561694, 2013123388, 2516404235, 4026246776, 5032808470, 10065616940, 20131233880]

約数ペア:

[(1, 20131233880), (2, 10065616940), (4, 5032808470), (5, 4026246776), (8, 2516404235), (10, 2013123388), (20, 1006561694), (40, 503280847), (457, 44050840), (701, 28717880), (914, 22025420), (1402, 14358940), (1571, 12814280), (1828, 11012710), (2285, 8810168), (2804, 7179470), (3142, 6407140), (3505, 5743576), (3656, 5506355), (4570, 4405084), (5608, 3589735), (6284, 3203570), (7010, 2871788), (7855, 2562856), (9140, 2202542), (12568, 1601785), (14020, 1435894), (15710, 1281428), (18280, 1101271), (28040, 717947), (31420, 640714), (62840, 320357)]