40274650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61961}}^1$

素因数の和:61986

約数の個数: 24

約数和(自身を含む): 80674524

約数和(自身を除く): 40399874

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 61961, 123922, 309805, 619610, 805493, 1549025, 1610986, 3098050, 4027465, 8054930, 20137325, 40274650]

約数ペア:

[(1, 40274650), (2, 20137325), (5, 8054930), (10, 4027465), (13, 3098050), (25, 1610986), (26, 1549025), (50, 805493), (65, 619610), (130, 309805), (325, 123922), (650, 61961)]