260078780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1000303}}^1$

素因数の和:1000325

約数の個数: 24

約数和(自身を含む): 588178752

約数和(自身を除く): 328099972

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1000303, 2000606, 4001212, 5001515, 10003030, 13003939, 20006060, 26007878, 52015756, 65019695, 130039390, 260078780]

約数ペア:

[(1, 260078780), (2, 130039390), (4, 65019695), (5, 52015756), (10, 26007878), (13, 20006060), (20, 13003939), (26, 10003030), (52, 5001515), (65, 4001212), (130, 2000606), (260, 1000303)]