86696420

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{39769}}^1$

素因数の和:39887

約数の個数: 24

約数和(自身を含む): 183737400

約数和(自身を除く): 97040980

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 39769, 79538, 159076, 198845, 397690, 795380, 4334821, 8669642, 17339284, 21674105, 43348210, 86696420]

約数ペア:

[(1, 86696420), (2, 43348210), (4, 21674105), (5, 17339284), (10, 8669642), (20, 4334821), (109, 795380), (218, 397690), (436, 198845), (545, 159076), (1090, 79538), (2180, 39769)]