20100650

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{4517}}^1$

素因数の和:4618

約数の個数: 24

約数和(自身を含む): 37815660

約数和(自身を除く): 17715010

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 445, 890, 2225, 4450, 4517, 9034, 22585, 45170, 112925, 225850, 402013, 804026, 2010065, 4020130, 10050325, 20100650]

約数ペア:

[(1, 20100650), (2, 10050325), (5, 4020130), (10, 2010065), (25, 804026), (50, 402013), (89, 225850), (178, 112925), (445, 45170), (890, 22585), (2225, 9034), (4450, 4517)]