55814780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20983}}^1$

素因数の和:21018

約数の個数: 48

約数和(自身を含む): 141012480

約数和(自身を除く): 85197700

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 20983, 41966, 83932, 104915, 146881, 209830, 293762, 398677, 419660, 587524, 734405, 797354, 1468810, 1594708, 1993385, 2790739, 2937620, 3986770, 5581478, 7973540, 11162956, 13953695, 27907390, 55814780]

約数ペア:

[(1, 55814780), (2, 27907390), (4, 13953695), (5, 11162956), (7, 7973540), (10, 5581478), (14, 3986770), (19, 2937620), (20, 2790739), (28, 1993385), (35, 1594708), (38, 1468810), (70, 797354), (76, 734405), (95, 587524), (133, 419660), (140, 398677), (190, 293762), (266, 209830), (380, 146881), (532, 104915), (665, 83932), (1330, 41966), (2660, 20983)]