157042520

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{49697}}^1$

素因数の和:49787

約数の個数: 32

約数和(自身を含む): 357825600

約数和(自身を除く): 200783080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 49697, 99394, 198788, 248485, 397576, 496970, 993940, 1987880, 3926063, 7852126, 15704252, 19630315, 31408504, 39260630, 78521260, 157042520]

約数ペア:

[(1, 157042520), (2, 78521260), (4, 39260630), (5, 31408504), (8, 19630315), (10, 15704252), (20, 7852126), (40, 3926063), (79, 1987880), (158, 993940), (316, 496970), (395, 397576), (632, 248485), (790, 198788), (1580, 99394), (3160, 49697)]