9871940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{883}}^1$

素因数の和:948

約数の個数: 48

約数和(自身を含む): 22870848

約数和(自身を除く): 12998908

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 883, 1118, 1766, 2236, 2795, 3532, 4415, 5590, 8830, 11180, 11479, 17660, 22958, 37969, 45916, 57395, 75938, 114790, 151876, 189845, 229580, 379690, 493597, 759380, 987194, 1974388, 2467985, 4935970, 9871940]

約数ペア:

[(1, 9871940), (2, 4935970), (4, 2467985), (5, 1974388), (10, 987194), (13, 759380), (20, 493597), (26, 379690), (43, 229580), (52, 189845), (65, 151876), (86, 114790), (130, 75938), (172, 57395), (215, 45916), (260, 37969), (430, 22958), (559, 17660), (860, 11479), (883, 11180), (1118, 8830), (1766, 5590), (2236, 4415), (2795, 3532)]