81385070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{757}}^1\times {\mathrm{827}}^1$

素因数の和:1604

約数の個数: 32

約数和(自身を含む): 158161248

約数和(自身を除く): 76776178

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 757, 827, 1514, 1654, 3785, 4135, 7570, 8270, 9841, 10751, 19682, 21502, 49205, 53755, 98410, 107510, 626039, 1252078, 3130195, 6260390, 8138507, 16277014, 40692535, 81385070]

約数ペア:

[(1, 81385070), (2, 40692535), (5, 16277014), (10, 8138507), (13, 6260390), (26, 3130195), (65, 1252078), (130, 626039), (757, 107510), (827, 98410), (1514, 53755), (1654, 49205), (3785, 21502), (4135, 19682), (7570, 10751), (8270, 9841)]