40400260

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{42979}}^1$

素因数の和:43035

約数の個数: 24

約数和(自身を含む): 86647680

約数和(自身を除く): 46247420

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 42979, 85958, 171916, 214895, 429790, 859580, 2020013, 4040026, 8080052, 10100065, 20200130, 40400260]

約数ペア:

[(1, 40400260), (2, 20200130), (4, 10100065), (5, 8080052), (10, 4040026), (20, 2020013), (47, 859580), (94, 429790), (188, 214895), (235, 171916), (470, 85958), (940, 42979)]