89309890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{217829}}^1$

素因数の和:217877

約数の個数: 16

約数和(自身を含む): 164679480

約数和(自身を除く): 75369590

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 217829, 435658, 1089145, 2178290, 8930989, 17861978, 44654945, 89309890]

約数ペア:

[(1, 89309890), (2, 44654945), (5, 17861978), (10, 8930989), (41, 2178290), (82, 1089145), (205, 435658), (410, 217829)]