89989070

素因数分解:

$2^1\times 5^1\times {\mathrm{2137}}^1\times {\mathrm{4211}}^1$

素因数の和:6355

約数の個数: 16

約数和(自身を含む): 162094608

約数和(自身を除く): 72105538

約数列:

[1, 2, 5, 10, 2137, 4211, 4274, 8422, 10685, 21055, 21370, 42110, 8998907, 17997814, 44994535, 89989070]

約数ペア:

[(1, 89989070), (2, 44994535), (5, 17997814), (10, 8998907), (2137, 42110), (4211, 21370), (4274, 21055), (8422, 10685)]