636856870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{158029}}^1$

素因数の和:158080

約数の個数: 32

約数和(自身を含む): 1274353920

約数和(自身を除く): 637497050

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 158029, 316058, 790145, 1580290, 2054377, 4108754, 4898899, 9797798, 10271885, 20543770, 24494495, 48988990, 63685687, 127371374, 318428435, 636856870]

約数ペア:

[(1, 636856870), (2, 318428435), (5, 127371374), (10, 63685687), (13, 48988990), (26, 24494495), (31, 20543770), (62, 10271885), (65, 9797798), (130, 4898899), (155, 4108754), (310, 2054377), (403, 1580290), (806, 790145), (2015, 316058), (4030, 158029)]