520057460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2000221}}^1$

素因数の和:2000243

約数の個数: 24

約数和(自身を含む): 1176130536

約数和(自身を除く): 656073076

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2000221, 4000442, 8000884, 10001105, 20002210, 26002873, 40004420, 52005746, 104011492, 130014365, 260028730, 520057460]

約数ペア:

[(1, 520057460), (2, 260028730), (4, 130014365), (5, 104011492), (10, 52005746), (13, 40004420), (20, 26002873), (26, 20002210), (52, 10001105), (65, 8000884), (130, 4000442), (260, 2000221)]