201293780

素因数分解:

$2^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{15413}}^1$

素因数の和:16075

約数の個数: 24

約数和(自身を含む): 423391752

約数和(自身を除く): 222097972

約数列:

[1, 2, 4, 5, 10, 20, 653, 1306, 2612, 3265, 6530, 13060, 15413, 30826, 61652, 77065, 154130, 308260, 10064689, 20129378, 40258756, 50323445, 100646890, 201293780]

約数ペア:

[(1, 201293780), (2, 100646890), (4, 50323445), (5, 40258756), (10, 20129378), (20, 10064689), (653, 308260), (1306, 154130), (2612, 77065), (3265, 61652), (6530, 30826), (13060, 15413)]