89008940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{261791}}^1$

素因数の和:261817

約数の個数: 24

約数和(自身を含む): 197914752

約数和(自身を除く): 108905812

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 261791, 523582, 1047164, 1308955, 2617910, 4450447, 5235820, 8900894, 17801788, 22252235, 44504470, 89008940]

約数ペア:

[(1, 89008940), (2, 44504470), (4, 22252235), (5, 17801788), (10, 8900894), (17, 5235820), (20, 4450447), (34, 2617910), (68, 1308955), (85, 1047164), (170, 523582), (340, 261791)]