2005128890

素因数分解:

$2^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{713569}}^1$

素因数の和:713857

約数の個数: 16

約数和(自身を含む): 3622081320

約数和(自身を除く): 1616952430

約数列:

[1, 2, 5, 10, 281, 562, 1405, 2810, 713569, 1427138, 3567845, 7135690, 200512889, 401025778, 1002564445, 2005128890]

約数ペア:

[(1, 2005128890), (2, 1002564445), (5, 401025778), (10, 200512889), (281, 7135690), (562, 3567845), (1405, 1427138), (2810, 713569)]