40271120

素因数分解:

$2^4\times 5^1\times {\mathrm{503389}}^1$

素因数の和:503402

約数の個数: 20

約数和(自身を含む): 93630540

約数和(自身を除く): 53359420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 503389, 1006778, 2013556, 2516945, 4027112, 5033890, 8054224, 10067780, 20135560, 40271120]

約数ペア:

[(1, 40271120), (2, 20135560), (4, 10067780), (5, 8054224), (8, 5033890), (10, 4027112), (16, 2516945), (20, 2013556), (40, 1006778), (80, 503389)]