168808520

素因数分解:

$2^3\times 5^1\times {\mathrm{1559}}^1\times {\mathrm{2707}}^1$

素因数の和:4277

約数の個数: 32

約数和(自身を含む): 380203200

約数和(自身を除く): 211394680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1559, 2707, 3118, 5414, 6236, 7795, 10828, 12472, 13535, 15590, 21656, 27070, 31180, 54140, 62360, 108280, 4220213, 8440426, 16880852, 21101065, 33761704, 42202130, 84404260, 168808520]

約数ペア:

[(1, 168808520), (2, 84404260), (4, 42202130), (5, 33761704), (8, 21101065), (10, 16880852), (20, 8440426), (40, 4220213), (1559, 108280), (2707, 62360), (3118, 54140), (5414, 31180), (6236, 27070), (7795, 21656), (10828, 15590), (12472, 13535)]