64443940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{17231}}^1$

素因数の和:17268

約数の個数: 48

約数和(自身を含む): 156328704

約数和(自身を除く): 91884764

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 17231, 34462, 68924, 86155, 172310, 189541, 292927, 344620, 379082, 585854, 758164, 947705, 1171708, 1464635, 1895410, 2929270, 3222197, 3790820, 5858540, 6444394, 12888788, 16110985, 32221970, 64443940]

約数ペア:

[(1, 64443940), (2, 32221970), (4, 16110985), (5, 12888788), (10, 6444394), (11, 5858540), (17, 3790820), (20, 3222197), (22, 2929270), (34, 1895410), (44, 1464635), (55, 1171708), (68, 947705), (85, 758164), (110, 585854), (170, 379082), (187, 344620), (220, 292927), (340, 189541), (374, 172310), (748, 86155), (935, 68924), (1870, 34462), (3740, 17231)]