42940760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{56501}}^1$

素因数の和:56531

約数の個数: 32

約数和(自身を含む): 101703600

約数和(自身を除く): 58762840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 56501, 113002, 226004, 282505, 452008, 565010, 1073519, 1130020, 2147038, 2260040, 4294076, 5367595, 8588152, 10735190, 21470380, 42940760]

約数ペア:

[(1, 42940760), (2, 21470380), (4, 10735190), (5, 8588152), (8, 5367595), (10, 4294076), (19, 2260040), (20, 2147038), (38, 1130020), (40, 1073519), (76, 565010), (95, 452008), (152, 282505), (190, 226004), (380, 113002), (760, 56501)]