140007760

素因数分解:

$2^4\times 5^1\times {\mathrm{421}}^1\times {\mathrm{4157}}^1$

素因数の和:4591

約数の個数: 40

約数和(自身を含む): 326369736

約数和(自身を除く): 186361976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 421, 842, 1684, 2105, 3368, 4157, 4210, 6736, 8314, 8420, 16628, 16840, 20785, 33256, 33680, 41570, 66512, 83140, 166280, 332560, 1750097, 3500194, 7000388, 8750485, 14000776, 17500970, 28001552, 35001940, 70003880, 140007760]

約数ペア:

[(1, 140007760), (2, 70003880), (4, 35001940), (5, 28001552), (8, 17500970), (10, 14000776), (16, 8750485), (20, 7000388), (40, 3500194), (80, 1750097), (421, 332560), (842, 166280), (1684, 83140), (2105, 66512), (3368, 41570), (4157, 33680), (4210, 33256), (6736, 20785), (8314, 16840), (8420, 16628)]