15742520

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3821}}^1$

素因数の和:3935

約数の個数: 32

約数和(自身を含む): 35773920

約数和(自身を除く): 20031400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 3821, 4120, 7642, 15284, 19105, 30568, 38210, 76420, 152840, 393563, 787126, 1574252, 1967815, 3148504, 3935630, 7871260, 15742520]

約数ペア:

[(1, 15742520), (2, 7871260), (4, 3935630), (5, 3148504), (8, 1967815), (10, 1574252), (20, 787126), (40, 393563), (103, 152840), (206, 76420), (412, 38210), (515, 30568), (824, 19105), (1030, 15284), (2060, 7642), (3821, 4120)]