40147810

素因数分解:

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

素因数の和:1402

約数の個数: 32

約数和(自身を含む): 75018240

約数和(自身を除く): 34870430

約数列:

[1, 2, 5, 10, 43, 73, 86, 146, 215, 365, 430, 730, 1279, 2558, 3139, 6278, 6395, 12790, 15695, 31390, 54997, 93367, 109994, 186734, 274985, 466835, 549970, 933670, 4014781, 8029562, 20073905, 40147810]

約数ペア:

[(1, 40147810), (2, 20073905), (5, 8029562), (10, 4014781), (43, 933670), (73, 549970), (86, 466835), (146, 274985), (215, 186734), (365, 109994), (430, 93367), (730, 54997), (1279, 31390), (2558, 15695), (3139, 12790), (6278, 6395)]