40697780

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1279}}^1$

素因数の和:1368

約数の個数: 48

約数和(自身を含む): 89886720

約数和(自身を除く): 49188940

約数列:

[1, 2, 4, 5, 10, 20, 37, 43, 74, 86, 148, 172, 185, 215, 370, 430, 740, 860, 1279, 1591, 2558, 3182, 5116, 6364, 6395, 7955, 12790, 15910, 25580, 31820, 47323, 54997, 94646, 109994, 189292, 219988, 236615, 274985, 473230, 549970, 946460, 1099940, 2034889, 4069778, 8139556, 10174445, 20348890, 40697780]

約数ペア:

[(1, 40697780), (2, 20348890), (4, 10174445), (5, 8139556), (10, 4069778), (20, 2034889), (37, 1099940), (43, 946460), (74, 549970), (86, 473230), (148, 274985), (172, 236615), (185, 219988), (215, 189292), (370, 109994), (430, 94646), (740, 54997), (860, 47323), (1279, 31820), (1591, 25580), (2558, 15910), (3182, 12790), (5116, 7955), (6364, 6395)]