87958480

素因数分解:

$2^4\times 5^1\times {\mathrm{431}}^1\times {\mathrm{2551}}^1$

素因数の和:2995

約数の個数: 40

約数和(自身を含む): 205058304

約数和(自身を除く): 117099824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 431, 862, 1724, 2155, 2551, 3448, 4310, 5102, 6896, 8620, 10204, 12755, 17240, 20408, 25510, 34480, 40816, 51020, 102040, 204080, 1099481, 2198962, 4397924, 5497405, 8795848, 10994810, 17591696, 21989620, 43979240, 87958480]

約数ペア:

[(1, 87958480), (2, 43979240), (4, 21989620), (5, 17591696), (8, 10994810), (10, 8795848), (16, 5497405), (20, 4397924), (40, 2198962), (80, 1099481), (431, 204080), (862, 102040), (1724, 51020), (2155, 40816), (2551, 34480), (3448, 25510), (4310, 20408), (5102, 17240), (6896, 12755), (8620, 10204)]