90431560

素因数分解:

$2^3\times 5^1\times {\mathrm{2260789}}^1$

素因数の和:2260800

約数の個数: 16

約数和(自身を含む): 203471100

約数和(自身を除く): 113039540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2260789, 4521578, 9043156, 11303945, 18086312, 22607890, 45215780, 90431560]

約数ペア:

[(1, 90431560), (2, 45215780), (4, 22607890), (5, 18086312), (8, 11303945), (10, 9043156), (20, 4521578), (40, 2260789)]