8049520

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{421}}^1$

素因数の和:673

約数の個数: 40

約数和(自身を含む): 18838080

約数和(自身を除く): 10788560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 421, 478, 842, 956, 1195, 1684, 1912, 2105, 2390, 3368, 3824, 4210, 4780, 6736, 8420, 9560, 16840, 19120, 33680, 100619, 201238, 402476, 503095, 804952, 1006190, 1609904, 2012380, 4024760, 8049520]

約数ペア:

[(1, 8049520), (2, 4024760), (4, 2012380), (5, 1609904), (8, 1006190), (10, 804952), (16, 503095), (20, 402476), (40, 201238), (80, 100619), (239, 33680), (421, 19120), (478, 16840), (842, 9560), (956, 8420), (1195, 6736), (1684, 4780), (1912, 4210), (2105, 3824), (2390, 3368)]