40091120

素因数分解:

$2^4\times 5^1\times {\mathrm{501139}}^1$

素因数の和:501152

約数の個数: 20

約数和(自身を含む): 93212040

約数和(自身を除く): 53120920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 501139, 1002278, 2004556, 2505695, 4009112, 5011390, 8018224, 10022780, 20045560, 40091120]

約数ペア:

[(1, 40091120), (2, 20045560), (4, 10022780), (5, 8018224), (8, 5011390), (10, 4009112), (16, 2505695), (20, 2004556), (40, 1002278), (80, 501139)]