56686420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2579}}^1$

素因数の和:2752

約数の個数: 48

約数和(自身を含む): 136967040

約数和(自身を除く): 80280620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1570, 2198, 2579, 3140, 4396, 5158, 5495, 10316, 10990, 12895, 18053, 21980, 25790, 36106, 51580, 72212, 90265, 180530, 361060, 404903, 809806, 1619612, 2024515, 2834321, 4049030, 5668642, 8098060, 11337284, 14171605, 28343210, 56686420]

約数ペア:

[(1, 56686420), (2, 28343210), (4, 14171605), (5, 11337284), (7, 8098060), (10, 5668642), (14, 4049030), (20, 2834321), (28, 2024515), (35, 1619612), (70, 809806), (140, 404903), (157, 361060), (314, 180530), (628, 90265), (785, 72212), (1099, 51580), (1570, 36106), (2198, 25790), (2579, 21980), (3140, 18053), (4396, 12895), (5158, 10990), (5495, 10316)]