88899890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{216829}}^1$

素因数の和:216877

約数の個数: 16

約数和(自身を含む): 163923480

約数和(自身を除く): 75023590

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 216829, 433658, 1084145, 2168290, 8889989, 17779978, 44449945, 88899890]

約数ペア:

[(1, 88899890), (2, 44449945), (5, 17779978), (10, 8889989), (41, 2168290), (82, 1084145), (205, 433658), (410, 216829)]