8655760

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{421}}^1$

素因数の和:691

約数の個数: 40

約数和(自身を含む): 20250936

約数和(自身を除く): 11595176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 421, 514, 842, 1028, 1285, 1684, 2056, 2105, 2570, 3368, 4112, 4210, 5140, 6736, 8420, 10280, 16840, 20560, 33680, 108197, 216394, 432788, 540985, 865576, 1081970, 1731152, 2163940, 4327880, 8655760]

約数ペア:

[(1, 8655760), (2, 4327880), (4, 2163940), (5, 1731152), (8, 1081970), (10, 865576), (16, 540985), (20, 432788), (40, 216394), (80, 108197), (257, 33680), (421, 20560), (514, 16840), (842, 10280), (1028, 8420), (1285, 6736), (1684, 5140), (2056, 4210), (2105, 4112), (2570, 3368)]