81714110

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{19979}}^1$

素因数の和:20395

約数の個数: 16

約数和(自身を含む): 147452400

約数和(自身を除く): 65738290

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 19979, 39958, 99895, 199790, 8171411, 16342822, 40857055, 81714110]

約数ペア:

[(1, 81714110), (2, 40857055), (5, 16342822), (10, 8171411), (409, 199790), (818, 99895), (2045, 39958), (4090, 19979)]