102685180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{394943}}^1$

素因数の和:394965

約数の個数: 24

約数和(自身を含む): 232227072

約数和(自身を除く): 129541892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 394943, 789886, 1579772, 1974715, 3949430, 5134259, 7898860, 10268518, 20537036, 25671295, 51342590, 102685180]

約数ペア:

[(1, 102685180), (2, 51342590), (4, 25671295), (5, 20537036), (10, 10268518), (13, 7898860), (20, 5134259), (26, 3949430), (52, 1974715), (65, 1579772), (130, 789886), (260, 394943)]