39826540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{11783}}^1$

素因数の和:11818

約数の個数: 36

約数和(自身を含む): 90571824

約数和(自身を除く): 50745284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 11783, 23566, 47132, 58915, 117830, 153179, 235660, 306358, 612716, 765895, 1531790, 1991327, 3063580, 3982654, 7965308, 9956635, 19913270, 39826540]

約数ペア:

[(1, 39826540), (2, 19913270), (4, 9956635), (5, 7965308), (10, 3982654), (13, 3063580), (20, 1991327), (26, 1531790), (52, 765895), (65, 612716), (130, 306358), (169, 235660), (260, 153179), (338, 117830), (676, 58915), (845, 47132), (1690, 23566), (3380, 11783)]