204084140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{784939}}^1$

素因数の和:784961

約数の個数: 24

約数和(自身を含む): 461544720

約数和(自身を除く): 257460580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 784939, 1569878, 3139756, 3924695, 7849390, 10204207, 15698780, 20408414, 40816828, 51021035, 102042070, 204084140]

約数ペア:

[(1, 204084140), (2, 102042070), (4, 51021035), (5, 40816828), (10, 20408414), (13, 15698780), (20, 10204207), (26, 7849390), (52, 3924695), (65, 3139756), (130, 1569878), (260, 784939)]