71234540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{273979}}^1$

素因数の和:274001

約数の個数: 24

約数和(自身を含む): 161100240

約数和(自身を除く): 89865700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 273979, 547958, 1095916, 1369895, 2739790, 3561727, 5479580, 7123454, 14246908, 17808635, 35617270, 71234540]

約数ペア:

[(1, 71234540), (2, 35617270), (4, 17808635), (5, 14246908), (10, 7123454), (13, 5479580), (20, 3561727), (26, 2739790), (52, 1369895), (65, 1095916), (130, 547958), (260, 273979)]