56258680

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{15803}}^1$

素因数の和:15903

約数の個数: 32

約数和(自身を含む): 128012400

約数和(自身を除く): 71753720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 15803, 31606, 63212, 79015, 126424, 158030, 316060, 632120, 1406467, 2812934, 5625868, 7032335, 11251736, 14064670, 28129340, 56258680]

約数ペア:

[(1, 56258680), (2, 28129340), (4, 14064670), (5, 11251736), (8, 7032335), (10, 5625868), (20, 2812934), (40, 1406467), (89, 632120), (178, 316060), (356, 158030), (445, 126424), (712, 79015), (890, 63212), (1780, 31606), (3560, 15803)]