165780740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{116747}}^1$

素因数の和:116827

約数の個数: 24

約数和(自身を含む): 353045952

約数和(自身を除く): 187265212

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 116747, 233494, 466988, 583735, 1167470, 2334940, 8289037, 16578074, 33156148, 41445185, 82890370, 165780740]

約数ペア:

[(1, 165780740), (2, 82890370), (4, 41445185), (5, 33156148), (10, 16578074), (20, 8289037), (71, 2334940), (142, 1167470), (284, 583735), (355, 466988), (710, 233494), (1420, 116747)]