108901840

素因数分解:

$2^4\times 5^1\times {\mathrm{1361273}}^1$

素因数の和:1361286

約数の個数: 20

約数和(自身を含む): 253196964

約数和(自身を除く): 144295124

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1361273, 2722546, 5445092, 6806365, 10890184, 13612730, 21780368, 27225460, 54450920, 108901840]

約数ペア:

[(1, 108901840), (2, 54450920), (4, 27225460), (5, 21780368), (8, 13612730), (10, 10890184), (16, 6806365), (20, 5445092), (40, 2722546), (80, 1361273)]