13015760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8563}}^1$

素因数の和:8595

約数の個数: 40

約数和(自身を含む): 31858080

約数和(自身を除く): 18842320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 8563, 17126, 34252, 42815, 68504, 85630, 137008, 162697, 171260, 325394, 342520, 650788, 685040, 813485, 1301576, 1626970, 2603152, 3253940, 6507880, 13015760]

約数ペア:

[(1, 13015760), (2, 6507880), (4, 3253940), (5, 2603152), (8, 1626970), (10, 1301576), (16, 813485), (19, 685040), (20, 650788), (38, 342520), (40, 325394), (76, 171260), (80, 162697), (95, 137008), (152, 85630), (190, 68504), (304, 42815), (380, 34252), (760, 17126), (1520, 8563)]