40989880

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{9949}}^1$

素因数の和:10063

約数の個数: 32

約数和(自身を含む): 93132000

約数和(自身を除く): 52142120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 9949, 19898, 39796, 49745, 79592, 99490, 198980, 397960, 1024747, 2049494, 4098988, 5123735, 8197976, 10247470, 20494940, 40989880]

約数ペア:

[(1, 40989880), (2, 20494940), (4, 10247470), (5, 8197976), (8, 5123735), (10, 4098988), (20, 2049494), (40, 1024747), (103, 397960), (206, 198980), (412, 99490), (515, 79592), (824, 49745), (1030, 39796), (2060, 19898), (4120, 9949)]