16408640

素因数分解:

$2^6\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1091}}^1$

素因数の和:1155

約数の個数: 56

約数和(自身を含む): 39940992

約数和(自身を除く): 23532352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 160, 188, 235, 320, 376, 470, 752, 940, 1091, 1504, 1880, 2182, 3008, 3760, 4364, 5455, 7520, 8728, 10910, 15040, 17456, 21820, 34912, 43640, 51277, 69824, 87280, 102554, 174560, 205108, 256385, 349120, 410216, 512770, 820432, 1025540, 1640864, 2051080, 3281728, 4102160, 8204320, 16408640]

約数ペア:

[(1, 16408640), (2, 8204320), (4, 4102160), (5, 3281728), (8, 2051080), (10, 1640864), (16, 1025540), (20, 820432), (32, 512770), (40, 410216), (47, 349120), (64, 256385), (80, 205108), (94, 174560), (160, 102554), (188, 87280), (235, 69824), (320, 51277), (376, 43640), (470, 34912), (752, 21820), (940, 17456), (1091, 15040), (1504, 10910), (1880, 8728), (2182, 7520), (3008, 5455), (3760, 4364)]