164057270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{40709}}^1$

素因数の和:40760

約数の個数: 32

約数和(自身を含む): 328285440

約数和(自身を除く): 164228170

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 40709, 81418, 203545, 407090, 529217, 1058434, 1261979, 2523958, 2646085, 5292170, 6309895, 12619790, 16405727, 32811454, 82028635, 164057270]

約数ペア:

[(1, 164057270), (2, 82028635), (5, 32811454), (10, 16405727), (13, 12619790), (26, 6309895), (31, 5292170), (62, 2646085), (65, 2523958), (130, 1261979), (155, 1058434), (310, 529217), (403, 407090), (806, 203545), (2015, 81418), (4030, 40709)]