70989860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{86573}}^1$

素因数の和:86623

約数の個数: 24

約数和(自身を含む): 152716536

約数和(自身を除く): 81726676

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 86573, 173146, 346292, 432865, 865730, 1731460, 3549493, 7098986, 14197972, 17747465, 35494930, 70989860]

約数ペア:

[(1, 70989860), (2, 35494930), (4, 17747465), (5, 14197972), (10, 7098986), (20, 3549493), (41, 1731460), (82, 865730), (164, 432865), (205, 346292), (410, 173146), (820, 86573)]