1268560

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:271

約数の個数: 40

約数和(自身を含む): 2997576

約数和(自身を除く): 1729016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 157, 202, 314, 404, 505, 628, 785, 808, 1010, 1256, 1570, 1616, 2020, 2512, 3140, 4040, 6280, 8080, 12560, 15857, 31714, 63428, 79285, 126856, 158570, 253712, 317140, 634280, 1268560]

約数ペア:

[(1, 1268560), (2, 634280), (4, 317140), (5, 253712), (8, 158570), (10, 126856), (16, 79285), (20, 63428), (40, 31714), (80, 15857), (101, 12560), (157, 8080), (202, 6280), (314, 4040), (404, 3140), (505, 2512), (628, 2020), (785, 1616), (808, 1570), (1010, 1256)]