71981620

素因数分解:

$2^2\times 5^1\times {\mathrm{1453}}^1\times {\mathrm{2477}}^1$

素因数の和:3939

約数の個数: 24

約数和(自身を含む): 151326504

約数和(自身を除く): 79344884

約数列:

[1, 2, 4, 5, 10, 20, 1453, 2477, 2906, 4954, 5812, 7265, 9908, 12385, 14530, 24770, 29060, 49540, 3599081, 7198162, 14396324, 17995405, 35990810, 71981620]

約数ペア:

[(1, 71981620), (2, 35990810), (4, 17995405), (5, 14396324), (10, 7198162), (20, 3599081), (1453, 49540), (2477, 29060), (2906, 24770), (4954, 14530), (5812, 12385), (7265, 9908)]