1940080

素因数分解:

$2^4\times 5^1\times {\mathrm{24251}}^1$

素因数の和:24264

約数の個数: 20

約数和(自身を含む): 4510872

約数和(自身を除く): 2570792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 24251, 48502, 97004, 121255, 194008, 242510, 388016, 485020, 970040, 1940080]

約数ペア:

[(1, 1940080), (2, 970040), (4, 485020), (5, 388016), (8, 242510), (10, 194008), (16, 121255), (20, 97004), (40, 48502), (80, 24251)]