55805680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{439}}^1$

素因数の和:686

約数の個数: 80

約数和(自身を含む): 149276160

約数和(自身を除く): 93470480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 227, 280, 439, 454, 560, 878, 908, 1135, 1589, 1756, 1816, 2195, 2270, 3073, 3178, 3512, 3632, 4390, 4540, 6146, 6356, 7024, 7945, 8780, 9080, 12292, 12712, 15365, 15890, 17560, 18160, 24584, 25424, 30730, 31780, 35120, 49168, 61460, 63560, 99653, 122920, 127120, 199306, 245840, 398612, 498265, 697571, 797224, 996530, 1395142, 1594448, 1993060, 2790284, 3487855, 3986120, 5580568, 6975710, 7972240, 11161136, 13951420, 27902840, 55805680]

約数ペア:

[(1, 55805680), (2, 27902840), (4, 13951420), (5, 11161136), (7, 7972240), (8, 6975710), (10, 5580568), (14, 3986120), (16, 3487855), (20, 2790284), (28, 1993060), (35, 1594448), (40, 1395142), (56, 996530), (70, 797224), (80, 697571), (112, 498265), (140, 398612), (227, 245840), (280, 199306), (439, 127120), (454, 122920), (560, 99653), (878, 63560), (908, 61460), (1135, 49168), (1589, 35120), (1756, 31780), (1816, 30730), (2195, 25424), (2270, 24584), (3073, 18160), (3178, 17560), (3512, 15890), (3632, 15365), (4390, 12712), (4540, 12292), (6146, 9080), (6356, 8780), (7024, 7945)]