89790940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{264091}}^1$

素因数の和:264117

約数の個数: 24

約数和(自身を含む): 199653552

約数和(自身を除く): 109862612

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 264091, 528182, 1056364, 1320455, 2640910, 4489547, 5281820, 8979094, 17958188, 22447735, 44895470, 89790940]

約数ペア:

[(1, 89790940), (2, 44895470), (4, 22447735), (5, 17958188), (10, 8979094), (17, 5281820), (20, 4489547), (34, 2640910), (68, 1320455), (85, 1056364), (170, 528182), (340, 264091)]