39721210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{5099}}^1$

素因数の和:5166

約数の個数: 32

約数和(自身を含む): 77112000

約数和(自身を除く): 37390790

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 3895, 5099, 7790, 10198, 25495, 50990, 96881, 193762, 209059, 418118, 484405, 968810, 1045295, 2090590, 3972121, 7944242, 19860605, 39721210]

約数ペア:

[(1, 39721210), (2, 19860605), (5, 7944242), (10, 3972121), (19, 2090590), (38, 1045295), (41, 968810), (82, 484405), (95, 418118), (190, 209059), (205, 193762), (410, 96881), (779, 50990), (1558, 25495), (3895, 10198), (5099, 7790)]