63464780

素因数分解:

$2^2\times 5^1\times {\mathrm{1597}}^1\times {\mathrm{1987}}^1$

素因数の和:3593

約数の個数: 24

約数和(自身を含む): 133426608

約数和(自身を除く): 69961828

約数列:

[1, 2, 4, 5, 10, 20, 1597, 1987, 3194, 3974, 6388, 7948, 7985, 9935, 15970, 19870, 31940, 39740, 3173239, 6346478, 12692956, 15866195, 31732390, 63464780]

約数ペア:

[(1, 63464780), (2, 31732390), (4, 15866195), (5, 12692956), (10, 6346478), (20, 3173239), (1597, 39740), (1987, 31940), (3194, 19870), (3974, 15970), (6388, 9935), (7948, 7985)]