15715492040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20678279}}^1$

素因数の和:20678309

約数の個数: 32

約数和(自身を含む): 37220904000

約数和(自身を除く): 21505411960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 20678279, 41356558, 82713116, 103391395, 165426232, 206782790, 392887301, 413565580, 785774602, 827131160, 1571549204, 1964436505, 3143098408, 3928873010, 7857746020, 15715492040]

約数ペア:

[(1, 15715492040), (2, 7857746020), (4, 3928873010), (5, 3143098408), (8, 1964436505), (10, 1571549204), (19, 827131160), (20, 785774602), (38, 413565580), (40, 392887301), (76, 206782790), (95, 165426232), (152, 103391395), (190, 82713116), (380, 41356558), (760, 20678279)]