28095860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{108061}}^1$

素因数の和:108083

約数の個数: 24

約数和(自身を含む): 63540456

約数和(自身を除く): 35444596

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 108061, 216122, 432244, 540305, 1080610, 1404793, 2161220, 2809586, 5619172, 7023965, 14047930, 28095860]

約数ペア:

[(1, 28095860), (2, 14047930), (4, 7023965), (5, 5619172), (10, 2809586), (13, 2161220), (20, 1404793), (26, 1080610), (52, 540305), (65, 432244), (130, 216122), (260, 108061)]