89939120

素因数分解:

$2^4\times 5^1\times {\mathrm{1124239}}^1$

素因数の和:1124252

約数の個数: 20

約数和(自身を含む): 209108640

約数和(自身を除く): 119169520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1124239, 2248478, 4496956, 5621195, 8993912, 11242390, 17987824, 22484780, 44969560, 89939120]

約数ペア:

[(1, 89939120), (2, 44969560), (4, 22484780), (5, 17987824), (8, 11242390), (10, 8993912), (16, 5621195), (20, 4496956), (40, 2248478), (80, 1124239)]