64709380

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{11939}}^1$

素因数の和:12219

約数の個数: 24

約数和(自身を含む): 136402560

約数和(自身を除く): 71693180

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5420, 11939, 23878, 47756, 59695, 119390, 238780, 3235469, 6470938, 12941876, 16177345, 32354690, 64709380]

約数ペア:

[(1, 64709380), (2, 32354690), (4, 16177345), (5, 12941876), (10, 6470938), (20, 3235469), (271, 238780), (542, 119390), (1084, 59695), (1355, 47756), (2710, 23878), (5420, 11939)]