39780920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{26879}}^1$

素因数の和:26927

約数の個数: 32

約数和(自身を含む): 91929600

約数和(自身を除く): 52148680

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 26879, 53758, 107516, 134395, 215032, 268790, 537580, 994523, 1075160, 1989046, 3978092, 4972615, 7956184, 9945230, 19890460, 39780920]

約数ペア:

[(1, 39780920), (2, 19890460), (4, 9945230), (5, 7956184), (8, 4972615), (10, 3978092), (20, 1989046), (37, 1075160), (40, 994523), (74, 537580), (148, 268790), (185, 215032), (296, 134395), (370, 107516), (740, 53758), (1480, 26879)]