87727720

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{41381}}^1$

素因数の和:41445

約数の個数: 32

約数和(自身を含む): 201116520

約数和(自身を除く): 113388800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 41381, 82762, 165524, 206905, 331048, 413810, 827620, 1655240, 2193193, 4386386, 8772772, 10965965, 17545544, 21931930, 43863860, 87727720]

約数ペア:

[(1, 87727720), (2, 43863860), (4, 21931930), (5, 17545544), (8, 10965965), (10, 8772772), (20, 4386386), (40, 2193193), (53, 1655240), (106, 827620), (212, 413810), (265, 331048), (424, 206905), (530, 165524), (1060, 82762), (2120, 41381)]