64833260

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{4007}}^1$

素因数の和:4825

約数の個数: 24

約数和(自身を含む): 136352160

約数和(自身を除く): 71518900

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 3236, 4007, 4045, 8014, 8090, 16028, 16180, 20035, 40070, 80140, 3241663, 6483326, 12966652, 16208315, 32416630, 64833260]

約数ペア:

[(1, 64833260), (2, 32416630), (4, 16208315), (5, 12966652), (10, 6483326), (20, 3241663), (809, 80140), (1618, 40070), (3236, 20035), (4007, 16180), (4045, 16028), (8014, 8090)]