1330238960

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{234197}}^1$

素因数の和:234281

約数の個数: 40

約数和(自身を含む): 3136379616

約数和(自身を除く): 1806140656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 234197, 468394, 936788, 1170985, 1873576, 2341970, 3747152, 4683940, 9367880, 16627987, 18735760, 33255974, 66511948, 83139935, 133023896, 166279870, 266047792, 332559740, 665119480, 1330238960]

約数ペア:

[(1, 1330238960), (2, 665119480), (4, 332559740), (5, 266047792), (8, 166279870), (10, 133023896), (16, 83139935), (20, 66511948), (40, 33255974), (71, 18735760), (80, 16627987), (142, 9367880), (284, 4683940), (355, 3747152), (568, 2341970), (710, 1873576), (1136, 1170985), (1420, 936788), (2840, 468394), (5680, 234197)]