64562420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{248317}}^1$

素因数の和:248339

約数の個数: 24

約数和(自身を含む): 146010984

約数和(自身を除く): 81448564

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 248317, 496634, 993268, 1241585, 2483170, 3228121, 4966340, 6456242, 12912484, 16140605, 32281210, 64562420]

約数ペア:

[(1, 64562420), (2, 32281210), (4, 16140605), (5, 12912484), (10, 6456242), (13, 4966340), (20, 3228121), (26, 2483170), (52, 1241585), (65, 993268), (130, 496634), (260, 248317)]