27927140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^2\times {\mathrm{277}}^1$

素因数の和:428

約数の個数: 36

約数和(自身を含む): 59699388

約数和(自身を除く): 31772248

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 277, 284, 355, 554, 710, 1108, 1385, 1420, 2770, 5041, 5540, 10082, 19667, 20164, 25205, 39334, 50410, 78668, 98335, 100820, 196670, 393340, 1396357, 2792714, 5585428, 6981785, 13963570, 27927140]

約数ペア:

[(1, 27927140), (2, 13963570), (4, 6981785), (5, 5585428), (10, 2792714), (20, 1396357), (71, 393340), (142, 196670), (277, 100820), (284, 98335), (355, 78668), (554, 50410), (710, 39334), (1108, 25205), (1385, 20164), (1420, 19667), (2770, 10082), (5041, 5540)]