80295620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1279}}^1$

素因数の和:1404

約数の個数: 48

約数和(自身を含む): 175042560

約数和(自身を除く): 94746940

約数列:

[1, 2, 4, 5, 10, 20, 43, 73, 86, 146, 172, 215, 292, 365, 430, 730, 860, 1279, 1460, 2558, 3139, 5116, 6278, 6395, 12556, 12790, 15695, 25580, 31390, 54997, 62780, 93367, 109994, 186734, 219988, 274985, 373468, 466835, 549970, 933670, 1099940, 1867340, 4014781, 8029562, 16059124, 20073905, 40147810, 80295620]

約数ペア:

[(1, 80295620), (2, 40147810), (4, 20073905), (5, 16059124), (10, 8029562), (20, 4014781), (43, 1867340), (73, 1099940), (86, 933670), (146, 549970), (172, 466835), (215, 373468), (292, 274985), (365, 219988), (430, 186734), (730, 109994), (860, 93367), (1279, 62780), (1460, 54997), (2558, 31390), (3139, 25580), (5116, 15695), (6278, 12790), (6395, 12556)]