70003880

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{4157}}^1$

素因数の和:4589

約数の個数: 32

約数和(自身を含む): 157920840

約数和(自身を除く): 87916960

約数列:

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

約数ペア:

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