3143120

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:503

約数の個数: 40

約数和(自身を含む): 7399080

約数和(自身を除く): 4255960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 389, 404, 505, 778, 808, 1010, 1556, 1616, 1945, 2020, 3112, 3890, 4040, 6224, 7780, 8080, 15560, 31120, 39289, 78578, 157156, 196445, 314312, 392890, 628624, 785780, 1571560, 3143120]

約数ペア:

[(1, 3143120), (2, 1571560), (4, 785780), (5, 628624), (8, 392890), (10, 314312), (16, 196445), (20, 157156), (40, 78578), (80, 39289), (101, 31120), (202, 15560), (389, 8080), (404, 7780), (505, 6224), (778, 4040), (808, 3890), (1010, 3112), (1556, 2020), (1616, 1945)]