71627660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{275491}}^1$

素因数の和:275513

約数の個数: 24

約数和(自身を含む): 161989296

約数和(自身を除く): 90361636

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 275491, 550982, 1101964, 1377455, 2754910, 3581383, 5509820, 7162766, 14325532, 17906915, 35813830, 71627660]

約数ペア:

[(1, 71627660), (2, 35813830), (4, 17906915), (5, 14325532), (10, 7162766), (13, 5509820), (20, 3581383), (26, 2754910), (52, 1377455), (65, 1101964), (130, 550982), (260, 275491)]