64717880

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{15121}}^1$

素因数の和:15239

約数の個数: 32

約数和(自身を含む): 146985840

約数和(自身を除く): 82267960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 15121, 30242, 60484, 75605, 120968, 151210, 302420, 604840, 1617947, 3235894, 6471788, 8089735, 12943576, 16179470, 32358940, 64717880]

約数ペア:

[(1, 64717880), (2, 32358940), (4, 16179470), (5, 12943576), (8, 8089735), (10, 6471788), (20, 3235894), (40, 1617947), (107, 604840), (214, 302420), (428, 151210), (535, 120968), (856, 75605), (1070, 60484), (2140, 30242), (4280, 15121)]