90873620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{105667}}^1$

素因数の和:105719

約数の個数: 24

約数和(自身を含む): 195274464

約数和(自身を除く): 104400844

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 105667, 211334, 422668, 528335, 1056670, 2113340, 4543681, 9087362, 18174724, 22718405, 45436810, 90873620]

約数ペア:

[(1, 90873620), (2, 45436810), (4, 22718405), (5, 18174724), (10, 9087362), (20, 4543681), (43, 2113340), (86, 1056670), (172, 528335), (215, 422668), (430, 211334), (860, 105667)]