40728500

素因数分解:

$2^2\times 5^3\times {\mathrm{81457}}^1$

素因数の和:81476

約数の個数: 24

約数和(自身を含む): 88952136

約数和(自身を除く): 48223636

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 81457, 162914, 325828, 407285, 814570, 1629140, 2036425, 4072850, 8145700, 10182125, 20364250, 40728500]

約数ペア:

[(1, 40728500), (2, 20364250), (4, 10182125), (5, 8145700), (10, 4072850), (20, 2036425), (25, 1629140), (50, 814570), (100, 407285), (125, 325828), (250, 162914), (500, 81457)]