538390480

素因数分解:

$2^4\times 5^1\times {\mathrm{991}}^1\times {\mathrm{6791}}^1$

素因数の和:7795

約数の個数: 40

約数和(自身を含む): 1253205504

約数和(自身を除く): 714815024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 991, 1982, 3964, 4955, 6791, 7928, 9910, 13582, 15856, 19820, 27164, 33955, 39640, 54328, 67910, 79280, 108656, 135820, 271640, 543280, 6729881, 13459762, 26919524, 33649405, 53839048, 67298810, 107678096, 134597620, 269195240, 538390480]

約数ペア:

[(1, 538390480), (2, 269195240), (4, 134597620), (5, 107678096), (8, 67298810), (10, 53839048), (16, 33649405), (20, 26919524), (40, 13459762), (80, 6729881), (991, 543280), (1982, 271640), (3964, 135820), (4955, 108656), (6791, 79280), (7928, 67910), (9910, 54328), (13582, 39640), (15856, 33955), (19820, 27164)]