40222520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77351}}^1$

素因数の和:77375

約数の個数: 32

約数和(自身を含む): 97463520

約数和(自身を除く): 57241000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 77351, 154702, 309404, 386755, 618808, 773510, 1005563, 1547020, 2011126, 3094040, 4022252, 5027815, 8044504, 10055630, 20111260, 40222520]

約数ペア:

[(1, 40222520), (2, 20111260), (4, 10055630), (5, 8044504), (8, 5027815), (10, 4022252), (13, 3094040), (20, 2011126), (26, 1547020), (40, 1005563), (52, 773510), (65, 618808), (104, 386755), (130, 309404), (260, 154702), (520, 77351)]