38977580

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{27449}}^1$

素因数の和:27529

約数の個数: 24

約数和(自身を含む): 83008800

約数和(自身を除く): 44031220

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 27449, 54898, 109796, 137245, 274490, 548980, 1948879, 3897758, 7795516, 9744395, 19488790, 38977580]

約数ペア:

[(1, 38977580), (2, 19488790), (4, 9744395), (5, 7795516), (10, 3897758), (20, 1948879), (71, 548980), (142, 274490), (284, 137245), (355, 109796), (710, 54898), (1420, 27449)]