85306780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{328103}}^1$

素因数の和:328125

約数の個数: 24

約数和(自身を含む): 192925152

約数和(自身を除く): 107618372

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 328103, 656206, 1312412, 1640515, 3281030, 4265339, 6562060, 8530678, 17061356, 21326695, 42653390, 85306780]

約数ペア:

[(1, 85306780), (2, 42653390), (4, 21326695), (5, 17061356), (10, 8530678), (13, 6562060), (20, 4265339), (26, 3281030), (52, 1640515), (65, 1312412), (130, 656206), (260, 328103)]