90245780

素因数分解:

$2^2\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{3463}}^1$

素因数の和:4775

約数の個数: 24

約数和(自身を含む): 189716352

約数和(自身を除く): 99470572

約数列:

[1, 2, 4, 5, 10, 20, 1303, 2606, 3463, 5212, 6515, 6926, 13030, 13852, 17315, 26060, 34630, 69260, 4512289, 9024578, 18049156, 22561445, 45122890, 90245780]

約数ペア:

[(1, 90245780), (2, 45122890), (4, 22561445), (5, 18049156), (10, 9024578), (20, 4512289), (1303, 69260), (2606, 34630), (3463, 26060), (5212, 17315), (6515, 13852), (6926, 13030)]