90403820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{347707}}^1$

素因数の和:347729

約数の個数: 24

約数和(自身を含む): 204452304

約数和(自身を除く): 114048484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 347707, 695414, 1390828, 1738535, 3477070, 4520191, 6954140, 9040382, 18080764, 22600955, 45201910, 90403820]

約数ペア:

[(1, 90403820), (2, 45201910), (4, 22600955), (5, 18080764), (10, 9040382), (13, 6954140), (20, 4520191), (26, 3477070), (52, 1738535), (65, 1390828), (130, 695414), (260, 347707)]