80109925

素因数分解:

$5^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1999}}^1$

素因数の和:2245

約数の個数: 24

約数和(自身を含む): 114080000

約数和(自身を除く): 33970075

約数列:

[1, 5, 7, 25, 35, 175, 229, 1145, 1603, 1999, 5725, 8015, 9995, 13993, 40075, 49975, 69965, 349825, 457771, 2288855, 3204397, 11444275, 16021985, 80109925]

約数ペア:

[(1, 80109925), (5, 16021985), (7, 11444275), (25, 3204397), (35, 2288855), (175, 457771), (229, 349825), (1145, 69965), (1603, 49975), (1999, 40075), (5725, 13993), (8015, 9995)]