80455280

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{34679}}^1$

素因数の和:34721

約数の個数: 40

約数和(自身を含む): 193514400

約数和(自身を除く): 113059120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 34679, 69358, 138716, 173395, 277432, 346790, 554864, 693580, 1005691, 1387160, 2011382, 2774320, 4022764, 5028455, 8045528, 10056910, 16091056, 20113820, 40227640, 80455280]

約数ペア:

[(1, 80455280), (2, 40227640), (4, 20113820), (5, 16091056), (8, 10056910), (10, 8045528), (16, 5028455), (20, 4022764), (29, 2774320), (40, 2011382), (58, 1387160), (80, 1005691), (116, 693580), (145, 554864), (232, 346790), (290, 277432), (464, 173395), (580, 138716), (1160, 69358), (2320, 34679)]