4325680

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:541

約数の個数: 40

約数和(自身を含む): 10155600

約数和(自身を除く): 5829920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 389, 556, 695, 778, 1112, 1390, 1556, 1945, 2224, 2780, 3112, 3890, 5560, 6224, 7780, 11120, 15560, 31120, 54071, 108142, 216284, 270355, 432568, 540710, 865136, 1081420, 2162840, 4325680]

約数ペア:

[(1, 4325680), (2, 2162840), (4, 1081420), (5, 865136), (8, 540710), (10, 432568), (16, 270355), (20, 216284), (40, 108142), (80, 54071), (139, 31120), (278, 15560), (389, 11120), (556, 7780), (695, 6224), (778, 5560), (1112, 3890), (1390, 3112), (1556, 2780), (1945, 2224)]