81569750

素因数分解:

$2^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{11251}}^1$

素因数の和:11297

約数の個数: 32

約数和(自身を含む): 157978080

約数和(自身を除く): 76408330

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 125, 145, 250, 290, 725, 1450, 3625, 7250, 11251, 22502, 56255, 112510, 281275, 326279, 562550, 652558, 1406375, 1631395, 2812750, 3262790, 8156975, 16313950, 40784875, 81569750]

約数ペア:

[(1, 81569750), (2, 40784875), (5, 16313950), (10, 8156975), (25, 3262790), (29, 2812750), (50, 1631395), (58, 1406375), (125, 652558), (145, 562550), (250, 326279), (290, 281275), (725, 112510), (1450, 56255), (3625, 22502), (7250, 11251)]