72292280

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{4507}}^1$

素因数の和:4919

約数の個数: 32

約数和(自身を含む): 163099440

約数和(自身を除く): 90807160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 4507, 8020, 9014, 16040, 18028, 22535, 36056, 45070, 90140, 180280, 1807307, 3614614, 7229228, 9036535, 14458456, 18073070, 36146140, 72292280]

約数ペア:

[(1, 72292280), (2, 36146140), (4, 18073070), (5, 14458456), (8, 9036535), (10, 7229228), (20, 3614614), (40, 1807307), (401, 180280), (802, 90140), (1604, 45070), (2005, 36056), (3208, 22535), (4010, 18028), (4507, 16040), (8020, 9014)]