87985390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1\times {\mathrm{811}}^1$

素因数の和:1408

約数の個数: 32

約数和(自身を含む): 167207040

約数和(自身を除く): 79221650

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 571, 811, 1142, 1622, 2855, 4055, 5710, 8110, 10849, 15409, 21698, 30818, 54245, 77045, 108490, 154090, 463081, 926162, 2315405, 4630810, 8798539, 17597078, 43992695, 87985390]

約数ペア:

[(1, 87985390), (2, 43992695), (5, 17597078), (10, 8798539), (19, 4630810), (38, 2315405), (95, 926162), (190, 463081), (571, 154090), (811, 108490), (1142, 77045), (1622, 54245), (2855, 30818), (4055, 21698), (5710, 15409), (8110, 10849)]