4895420

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1621}}^1$

素因数の和:1781

約数の個数: 24

約数和(自身を含む): 10354848

約数和(自身を除く): 5459428

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 1621, 3020, 3242, 6484, 8105, 16210, 32420, 244771, 489542, 979084, 1223855, 2447710, 4895420]

約数ペア:

[(1, 4895420), (2, 2447710), (4, 1223855), (5, 979084), (10, 489542), (20, 244771), (151, 32420), (302, 16210), (604, 8105), (755, 6484), (1510, 3242), (1621, 3020)]