64940810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{1409}}^1$

素因数の和:1846

約数の個数: 32

約数和(自身を含む): 127915200

約数和(自身を除く): 62974390

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 419, 838, 1409, 2095, 2818, 4190, 4609, 7045, 9218, 14090, 15499, 23045, 30998, 46090, 77495, 154990, 590371, 1180742, 2951855, 5903710, 6494081, 12988162, 32470405, 64940810]

約数ペア:

[(1, 64940810), (2, 32470405), (5, 12988162), (10, 6494081), (11, 5903710), (22, 2951855), (55, 1180742), (110, 590371), (419, 154990), (838, 77495), (1409, 46090), (2095, 30998), (2818, 23045), (4190, 15499), (4609, 14090), (7045, 9218)]