71466280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43577}}^1$

素因数の和:43629

約数の個数: 32

約数和(自身を含む): 164724840

約数和(自身を除く): 93258560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 43577, 87154, 174308, 217885, 348616, 435770, 871540, 1743080, 1786657, 3573314, 7146628, 8933285, 14293256, 17866570, 35733140, 71466280]

約数ペア:

[(1, 71466280), (2, 35733140), (4, 17866570), (5, 14293256), (8, 8933285), (10, 7146628), (20, 3573314), (40, 1786657), (41, 1743080), (82, 871540), (164, 435770), (205, 348616), (328, 217885), (410, 174308), (820, 87154), (1640, 43577)]