16445960

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{1297}}^1$

素因数の和:1625

約数の個数: 32

約数和(自身を含む): 37148760

約数和(自身を除く): 20702800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1297, 1585, 2536, 2594, 3170, 5188, 6340, 6485, 10376, 12680, 12970, 25940, 51880, 411149, 822298, 1644596, 2055745, 3289192, 4111490, 8222980, 16445960]

約数ペア:

[(1, 16445960), (2, 8222980), (4, 4111490), (5, 3289192), (8, 2055745), (10, 1644596), (20, 822298), (40, 411149), (317, 51880), (634, 25940), (1268, 12970), (1297, 12680), (1585, 10376), (2536, 6485), (2594, 6340), (3170, 5188)]