78489640

素因数分解:

$2^3\times 5^1\times {\mathrm{733}}^1\times {\mathrm{2677}}^1$

素因数の和:3421

約数の個数: 32

約数和(自身を含む): 176908680

約数和(自身を除く): 98419040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 733, 1466, 2677, 2932, 3665, 5354, 5864, 7330, 10708, 13385, 14660, 21416, 26770, 29320, 53540, 107080, 1962241, 3924482, 7848964, 9811205, 15697928, 19622410, 39244820, 78489640]

約数ペア:

[(1, 78489640), (2, 39244820), (4, 19622410), (5, 15697928), (8, 9811205), (10, 7848964), (20, 3924482), (40, 1962241), (733, 107080), (1466, 53540), (2677, 29320), (2932, 26770), (3665, 21416), (5354, 14660), (5864, 13385), (7330, 10708)]