69688315240

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{4138261}}^1$

素因数の和:4138693

約数の個数: 32

約数和(自身を含む): 157171190760

約数和(自身を除く): 87482875520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 2105, 3368, 4210, 8420, 16840, 4138261, 8276522, 16553044, 20691305, 33106088, 41382610, 82765220, 165530440, 1742207881, 3484415762, 6968831524, 8711039405, 13937663048, 17422078810, 34844157620, 69688315240]

約数ペア:

[(1, 69688315240), (2, 34844157620), (4, 17422078810), (5, 13937663048), (8, 8711039405), (10, 6968831524), (20, 3484415762), (40, 1742207881), (421, 165530440), (842, 82765220), (1684, 41382610), (2105, 33106088), (3368, 20691305), (4210, 16553044), (8420, 8276522), (16840, 4138261)]