39156760

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8663}}^1$

素因数の和:8787

約数の個数: 32

約数和(自身を含む): 88892640

約数和(自身を除く): 49735880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 8663, 17326, 34652, 43315, 69304, 86630, 173260, 346520, 978919, 1957838, 3915676, 4894595, 7831352, 9789190, 19578380, 39156760]

約数ペア:

[(1, 39156760), (2, 19578380), (4, 9789190), (5, 7831352), (8, 4894595), (10, 3915676), (20, 1957838), (40, 978919), (113, 346520), (226, 173260), (452, 86630), (565, 69304), (904, 43315), (1130, 34652), (2260, 17326), (4520, 8663)]