28771580

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{27143}}^1$

素因数の和:27205

約数の個数: 24

約数和(自身を含む): 61562592

約数和(自身を除く): 32791012

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 27143, 54286, 108572, 135715, 271430, 542860, 1438579, 2877158, 5754316, 7192895, 14385790, 28771580]

約数ペア:

[(1, 28771580), (2, 14385790), (4, 7192895), (5, 5754316), (10, 2877158), (20, 1438579), (53, 542860), (106, 271430), (212, 135715), (265, 108572), (530, 54286), (1060, 27143)]