64951790

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{158419}}^1$

素因数の和:158467

約数の個数: 16

約数和(自身を含む): 119765520

約数和(自身を除く): 54813730

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 158419, 316838, 792095, 1584190, 6495179, 12990358, 32475895, 64951790]

約数ペア:

[(1, 64951790), (2, 32475895), (5, 12990358), (10, 6495179), (41, 1584190), (82, 792095), (205, 316838), (410, 158419)]