105298040

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{10243}}^1$

素因数の和:10511

約数の個数: 32

約数和(自身を含む): 237865680

約数和(自身を除く): 132567640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 10243, 10280, 20486, 40972, 51215, 81944, 102430, 204860, 409720, 2632451, 5264902, 10529804, 13162255, 21059608, 26324510, 52649020, 105298040]

約数ペア:

[(1, 105298040), (2, 52649020), (4, 26324510), (5, 21059608), (8, 13162255), (10, 10529804), (20, 5264902), (40, 2632451), (257, 409720), (514, 204860), (1028, 102430), (1285, 81944), (2056, 51215), (2570, 40972), (5140, 20486), (10243, 10280)]