15947080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20983}}^1$

素因数の和:21013

約数の個数: 32

約数和(自身を含む): 37771200

約数和(自身を除く): 21824120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 20983, 41966, 83932, 104915, 167864, 209830, 398677, 419660, 797354, 839320, 1594708, 1993385, 3189416, 3986770, 7973540, 15947080]

約数ペア:

[(1, 15947080), (2, 7973540), (4, 3986770), (5, 3189416), (8, 1993385), (10, 1594708), (19, 839320), (20, 797354), (38, 419660), (40, 398677), (76, 209830), (95, 167864), (152, 104915), (190, 83932), (380, 41966), (760, 20983)]