64621840

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{15241}}^1$

素因数の和:15307

約数の個数: 40

約数和(自身を含む): 153090648

約数和(自身を除く): 88468808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 15241, 30482, 60964, 76205, 121928, 152410, 243856, 304820, 609640, 807773, 1219280, 1615546, 3231092, 4038865, 6462184, 8077730, 12924368, 16155460, 32310920, 64621840]

約数ペア:

[(1, 64621840), (2, 32310920), (4, 16155460), (5, 12924368), (8, 8077730), (10, 6462184), (16, 4038865), (20, 3231092), (40, 1615546), (53, 1219280), (80, 807773), (106, 609640), (212, 304820), (265, 243856), (424, 152410), (530, 121928), (848, 76205), (1060, 60964), (2120, 30482), (4240, 15241)]