87731080

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{27763}}^1$

素因数の和:27853

約数の個数: 32

約数和(自身を含む): 199900800

約数和(自身を除く): 112169720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 27763, 55526, 111052, 138815, 222104, 277630, 555260, 1110520, 2193277, 4386554, 8773108, 10966385, 17546216, 21932770, 43865540, 87731080]

約数ペア:

[(1, 87731080), (2, 43865540), (4, 21932770), (5, 17546216), (8, 10966385), (10, 8773108), (20, 4386554), (40, 2193277), (79, 1110520), (158, 555260), (316, 277630), (395, 222104), (632, 138815), (790, 111052), (1580, 55526), (3160, 27763)]