25298620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1279}}^1$

素因数の和:1354

約数の個数: 48

約数和(自身を含む): 56770560

約数和(自身を除く): 31471940

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1279, 1978, 2558, 3956, 4945, 5116, 6395, 9890, 12790, 19780, 25580, 29417, 54997, 58834, 109994, 117668, 147085, 219988, 274985, 294170, 549970, 588340, 1099940, 1264931, 2529862, 5059724, 6324655, 12649310, 25298620]

約数ペア:

[(1, 25298620), (2, 12649310), (4, 6324655), (5, 5059724), (10, 2529862), (20, 1264931), (23, 1099940), (43, 588340), (46, 549970), (86, 294170), (92, 274985), (115, 219988), (172, 147085), (215, 117668), (230, 109994), (430, 58834), (460, 54997), (860, 29417), (989, 25580), (1279, 19780), (1978, 12790), (2558, 9890), (3956, 6395), (4945, 5116)]