12354640

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{397}}^1$

素因数の和:799

約数の個数: 40

約数和(自身を含む): 28870920

約数和(自身を除く): 16516280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 397, 778, 794, 1556, 1588, 1945, 1985, 3112, 3176, 3890, 3970, 6224, 6352, 7780, 7940, 15560, 15880, 31120, 31760, 154433, 308866, 617732, 772165, 1235464, 1544330, 2470928, 3088660, 6177320, 12354640]

約数ペア:

[(1, 12354640), (2, 6177320), (4, 3088660), (5, 2470928), (8, 1544330), (10, 1235464), (16, 772165), (20, 617732), (40, 308866), (80, 154433), (389, 31760), (397, 31120), (778, 15880), (794, 15560), (1556, 7940), (1588, 7780), (1945, 6352), (1985, 6224), (3112, 3970), (3176, 3890)]