64895090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16103}}^1$

素因数の和:16154

約数の個数: 32

約数和(自身を含む): 129862656

約数和(自身を除く): 64967566

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 16103, 32206, 80515, 161030, 209339, 418678, 499193, 998386, 1046695, 2093390, 2495965, 4991930, 6489509, 12979018, 32447545, 64895090]

約数ペア:

[(1, 64895090), (2, 32447545), (5, 12979018), (10, 6489509), (13, 4991930), (26, 2495965), (31, 2093390), (62, 1046695), (65, 998386), (130, 499193), (155, 418678), (310, 209339), (403, 161030), (806, 80515), (2015, 32206), (4030, 16103)]