7921960

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2713}}^1$

素因数の和:2797

約数の個数: 32

約数和(自身を含む): 18075240

約数和(自身を除く): 10153280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2713, 2920, 5426, 10852, 13565, 21704, 27130, 54260, 108520, 198049, 396098, 792196, 990245, 1584392, 1980490, 3960980, 7921960]

約数ペア:

[(1, 7921960), (2, 3960980), (4, 1980490), (5, 1584392), (8, 990245), (10, 792196), (20, 396098), (40, 198049), (73, 108520), (146, 54260), (292, 27130), (365, 21704), (584, 13565), (730, 10852), (1460, 5426), (2713, 2920)]