72090980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277273}}^1$

素因数の和:277295

約数の個数: 24

約数和(自身を含む): 163037112

約数和(自身を除く): 90946132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 277273, 554546, 1109092, 1386365, 2772730, 3604549, 5545460, 7209098, 14418196, 18022745, 36045490, 72090980]

約数ペア:

[(1, 72090980), (2, 36045490), (4, 18022745), (5, 14418196), (10, 7209098), (13, 5545460), (20, 3604549), (26, 2772730), (52, 1386365), (65, 1109092), (130, 554546), (260, 277273)]