80400080

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{21383}}^1$

素因数の和:21443

約数の個数: 40

約数和(自身を含む): 190916352

約数和(自身を除く): 110516272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 21383, 42766, 85532, 106915, 171064, 213830, 342128, 427660, 855320, 1005001, 1710640, 2010002, 4020004, 5025005, 8040008, 10050010, 16080016, 20100020, 40200040, 80400080]

約数ペア:

[(1, 80400080), (2, 40200040), (4, 20100020), (5, 16080016), (8, 10050010), (10, 8040008), (16, 5025005), (20, 4020004), (40, 2010002), (47, 1710640), (80, 1005001), (94, 855320), (188, 427660), (235, 342128), (376, 213830), (470, 171064), (752, 106915), (940, 85532), (1880, 42766), (3760, 21383)]