87913580

素因数分解:

$2^2\times 5^1\times {\mathrm{1097}}^1\times {\mathrm{4007}}^1$

素因数の和:5113

約数の個数: 24

約数和(自身を含む): 184832928

約数和(自身を除く): 96919348

約数列:

[1, 2, 4, 5, 10, 20, 1097, 2194, 4007, 4388, 5485, 8014, 10970, 16028, 20035, 21940, 40070, 80140, 4395679, 8791358, 17582716, 21978395, 43956790, 87913580]

約数ペア:

[(1, 87913580), (2, 43956790), (4, 21978395), (5, 17582716), (10, 8791358), (20, 4395679), (1097, 80140), (2194, 40070), (4007, 21940), (4388, 20035), (5485, 16028), (8014, 10970)]