880490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{521}}^1$

素因数の和:554

約数の個数: 24

約数和(自身を含む): 1719468

約数和(自身を除く): 838978

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 521, 845, 1042, 1690, 2605, 5210, 6773, 13546, 33865, 67730, 88049, 176098, 440245, 880490]

約数ペア:

[(1, 880490), (2, 440245), (5, 176098), (10, 88049), (13, 67730), (26, 33865), (65, 13546), (130, 6773), (169, 5210), (338, 2605), (521, 1690), (845, 1042)]