89680240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1627}}^1$

素因数の和:1706

約数の個数: 80

約数和(自身を含む): 228922848

約数和(自身を除く): 139242608

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 53, 65, 80, 104, 106, 130, 208, 212, 260, 265, 424, 520, 530, 689, 848, 1040, 1060, 1378, 1627, 2120, 2756, 3254, 3445, 4240, 5512, 6508, 6890, 8135, 11024, 13016, 13780, 16270, 21151, 26032, 27560, 32540, 42302, 55120, 65080, 84604, 86231, 105755, 130160, 169208, 172462, 211510, 338416, 344924, 423020, 431155, 689848, 846040, 862310, 1121003, 1379696, 1692080, 1724620, 2242006, 3449240, 4484012, 5605015, 6898480, 8968024, 11210030, 17936048, 22420060, 44840120, 89680240]

約数ペア:

[(1, 89680240), (2, 44840120), (4, 22420060), (5, 17936048), (8, 11210030), (10, 8968024), (13, 6898480), (16, 5605015), (20, 4484012), (26, 3449240), (40, 2242006), (52, 1724620), (53, 1692080), (65, 1379696), (80, 1121003), (104, 862310), (106, 846040), (130, 689848), (208, 431155), (212, 423020), (260, 344924), (265, 338416), (424, 211510), (520, 172462), (530, 169208), (689, 130160), (848, 105755), (1040, 86231), (1060, 84604), (1378, 65080), (1627, 55120), (2120, 42302), (2756, 32540), (3254, 27560), (3445, 26032), (4240, 21151), (5512, 16270), (6508, 13780), (6890, 13016), (8135, 11024)]