71801920

素因数分解:

$2^6\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1297}}^1$

素因数の和:1487

約数の個数: 56

約数和(自身を含む): 172099224

約数和(自身を除く): 100297304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 173, 320, 346, 692, 865, 1297, 1384, 1730, 2594, 2768, 3460, 5188, 5536, 6485, 6920, 10376, 11072, 12970, 13840, 20752, 25940, 27680, 41504, 51880, 55360, 83008, 103760, 207520, 224381, 415040, 448762, 897524, 1121905, 1795048, 2243810, 3590096, 4487620, 7180192, 8975240, 14360384, 17950480, 35900960, 71801920]

約数ペア:

[(1, 71801920), (2, 35900960), (4, 17950480), (5, 14360384), (8, 8975240), (10, 7180192), (16, 4487620), (20, 3590096), (32, 2243810), (40, 1795048), (64, 1121905), (80, 897524), (160, 448762), (173, 415040), (320, 224381), (346, 207520), (692, 103760), (865, 83008), (1297, 55360), (1384, 51880), (1730, 41504), (2594, 27680), (2768, 25940), (3460, 20752), (5188, 13840), (5536, 12970), (6485, 11072), (6920, 10376)]