64232620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{491}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 140184576

約数和(自身を除く): 75951956

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 211, 310, 422, 491, 620, 844, 982, 1055, 1964, 2110, 2455, 4220, 4910, 6541, 9820, 13082, 15221, 26164, 30442, 32705, 60884, 65410, 76105, 103601, 130820, 152210, 207202, 304420, 414404, 518005, 1036010, 2072020, 3211631, 6423262, 12846524, 16058155, 32116310, 64232620]

約数ペア:

[(1, 64232620), (2, 32116310), (4, 16058155), (5, 12846524), (10, 6423262), (20, 3211631), (31, 2072020), (62, 1036010), (124, 518005), (155, 414404), (211, 304420), (310, 207202), (422, 152210), (491, 130820), (620, 103601), (844, 76105), (982, 65410), (1055, 60884), (1964, 32705), (2110, 30442), (2455, 26164), (4220, 15221), (4910, 13082), (6541, 9820)]