64945210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{20359}}^1$

素因数の和:20406

約数の個数: 32

約数和(自身を含む): 131932800

約数和(自身を除く): 66987590

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 1595, 3190, 20359, 40718, 101795, 203590, 223949, 447898, 590411, 1119745, 1180822, 2239490, 2952055, 5904110, 6494521, 12989042, 32472605, 64945210]

約数ペア:

[(1, 64945210), (2, 32472605), (5, 12989042), (10, 6494521), (11, 5904110), (22, 2952055), (29, 2239490), (55, 1180822), (58, 1119745), (110, 590411), (145, 447898), (290, 223949), (319, 203590), (638, 101795), (1595, 40718), (3190, 20359)]