87718480

素因数分解:

$2^4\times 5^1\times {\mathrm{1096481}}^1$

素因数の和:1096494

約数の個数: 20

約数和(自身を含む): 203945652

約数和(自身を除く): 116227172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1096481, 2192962, 4385924, 5482405, 8771848, 10964810, 17543696, 21929620, 43859240, 87718480]

約数ペア:

[(1, 87718480), (2, 43859240), (4, 21929620), (5, 17543696), (8, 10964810), (10, 8771848), (16, 5482405), (20, 4385924), (40, 2192962), (80, 1096481)]