66900980

素因数分解:

$2^2\times 5^1\times {\mathrm{1367}}^1\times {\mathrm{2447}}^1$

素因数の和:3823

約数の個数: 24

約数和(自身を含む): 140652288

約数和(自身を除く): 73751308

約数列:

[1, 2, 4, 5, 10, 20, 1367, 2447, 2734, 4894, 5468, 6835, 9788, 12235, 13670, 24470, 27340, 48940, 3345049, 6690098, 13380196, 16725245, 33450490, 66900980]

約数ペア:

[(1, 66900980), (2, 33450490), (4, 16725245), (5, 13380196), (10, 6690098), (20, 3345049), (1367, 48940), (2447, 27340), (2734, 24470), (4894, 13670), (5468, 12235), (6835, 9788)]