69270280

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{3527}}^1$

素因数の和:4029

約数の個数: 32

約数和(自身を含む): 156219840

約数和(自身を除く): 86949560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2455, 3527, 3928, 4910, 7054, 9820, 14108, 17635, 19640, 28216, 35270, 70540, 141080, 1731757, 3463514, 6927028, 8658785, 13854056, 17317570, 34635140, 69270280]

約数ペア:

[(1, 69270280), (2, 34635140), (4, 17317570), (5, 13854056), (8, 8658785), (10, 6927028), (20, 3463514), (40, 1731757), (491, 141080), (982, 70540), (1964, 35270), (2455, 28216), (3527, 19640), (3928, 17635), (4910, 14108), (7054, 9820)]