64510420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{248117}}^1$

素因数の和:248139

約数の個数: 24

約数和(自身を含む): 145893384

約数和(自身を除く): 81382964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 248117, 496234, 992468, 1240585, 2481170, 3225521, 4962340, 6451042, 12902084, 16127605, 32255210, 64510420]

約数ペア:

[(1, 64510420), (2, 32255210), (4, 16127605), (5, 12902084), (10, 6451042), (13, 4962340), (20, 3225521), (26, 2481170), (52, 1240585), (65, 992468), (130, 496234), (260, 248117)]