1380491920

素因数分解:

$2^4\times 5^1\times {\mathrm{3371}}^1\times {\mathrm{5119}}^1$

素因数の和:8503

約数の個数: 40

約数和(自身を含む): 3211223040

約数和(自身を除く): 1830731120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3371, 5119, 6742, 10238, 13484, 16855, 20476, 25595, 26968, 33710, 40952, 51190, 53936, 67420, 81904, 102380, 134840, 204760, 269680, 409520, 17256149, 34512298, 69024596, 86280745, 138049192, 172561490, 276098384, 345122980, 690245960, 1380491920]

約数ペア:

[(1, 1380491920), (2, 690245960), (4, 345122980), (5, 276098384), (8, 172561490), (10, 138049192), (16, 86280745), (20, 69024596), (40, 34512298), (80, 17256149), (3371, 409520), (5119, 269680), (6742, 204760), (10238, 134840), (13484, 102380), (16855, 81904), (20476, 67420), (25595, 53936), (26968, 51190), (33710, 40952)]