87250780

素因数分解:

$2^2\times 5^1\times {\mathrm{1667}}^1\times {\mathrm{2617}}^1$

素因数の和:4293

約数の個数: 24

約数和(自身を含む): 183406608

約数和(自身を除く): 96155828

約数列:

[1, 2, 4, 5, 10, 20, 1667, 2617, 3334, 5234, 6668, 8335, 10468, 13085, 16670, 26170, 33340, 52340, 4362539, 8725078, 17450156, 21812695, 43625390, 87250780]

約数ペア:

[(1, 87250780), (2, 43625390), (4, 21812695), (5, 17450156), (10, 8725078), (20, 4362539), (1667, 52340), (2617, 33340), (3334, 26170), (5234, 16670), (6668, 13085), (8335, 10468)]