71481080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{162457}}^1$

素因数の和:162479

約数の個数: 32

約数和(自身を含む): 175454640

約数和(自身を除く): 103973560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 162457, 324914, 649828, 812285, 1299656, 1624570, 1787027, 3249140, 3574054, 6498280, 7148108, 8935135, 14296216, 17870270, 35740540, 71481080]

約数ペア:

[(1, 71481080), (2, 35740540), (4, 17870270), (5, 14296216), (8, 8935135), (10, 7148108), (11, 6498280), (20, 3574054), (22, 3249140), (40, 1787027), (44, 1624570), (55, 1299656), (88, 812285), (110, 649828), (220, 324914), (440, 162457)]