208735840

素因数分解:

$2^5\times 5^1\times {\mathrm{1304599}}^1$

素因数の和:1304614

約数の個数: 24

約数和(自身を含む): 493138800

約数和(自身を除く): 284402960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1304599, 2609198, 5218396, 6522995, 10436792, 13045990, 20873584, 26091980, 41747168, 52183960, 104367920, 208735840]

約数ペア:

[(1, 208735840), (2, 104367920), (4, 52183960), (5, 41747168), (8, 26091980), (10, 20873584), (16, 13045990), (20, 10436792), (32, 6522995), (40, 5218396), (80, 2609198), (160, 1304599)]