17769520

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{571}}^1$

素因数の和:973

約数の個数: 40

約数和(自身を含む): 41492880

約数和(自身を除く): 23723360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 571, 778, 1142, 1556, 1945, 2284, 2855, 3112, 3890, 4568, 5710, 6224, 7780, 9136, 11420, 15560, 22840, 31120, 45680, 222119, 444238, 888476, 1110595, 1776952, 2221190, 3553904, 4442380, 8884760, 17769520]

約数ペア:

[(1, 17769520), (2, 8884760), (4, 4442380), (5, 3553904), (8, 2221190), (10, 1776952), (16, 1110595), (20, 888476), (40, 444238), (80, 222119), (389, 45680), (571, 31120), (778, 22840), (1142, 15560), (1556, 11420), (1945, 9136), (2284, 7780), (2855, 6224), (3112, 5710), (3890, 4568)]