87650440

素因数分解:

$2^3\times 5^1\times {\mathrm{2191261}}^1$

素因数の和:2191272

約数の個数: 16

約数和(自身を含む): 197213580

約数和(自身を除く): 109563140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2191261, 4382522, 8765044, 10956305, 17530088, 21912610, 43825220, 87650440]

約数ペア:

[(1, 87650440), (2, 43825220), (4, 21912610), (5, 17530088), (8, 10956305), (10, 8765044), (20, 4382522), (40, 2191261)]