66991300

素因数分解:

$2^2\times 5^2\times {\mathrm{669913}}^1$

素因数の和:669927

約数の個数: 18

約数和(自身を含む): 145371338

約数和(自身を除く): 78380038

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 669913, 1339826, 2679652, 3349565, 6699130, 13398260, 16747825, 33495650, 66991300]

約数ペア:

[(1, 66991300), (2, 33495650), (4, 16747825), (5, 13398260), (10, 6699130), (20, 3349565), (25, 2679652), (50, 1339826), (100, 669913)]