31124000

素因数分解:

$2^5\times 5^3\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:307

約数の個数: 96

約数和(自身を含む): 79252992

約数和(自身を除く): 48128992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 125, 155, 160, 200, 248, 250, 251, 310, 400, 496, 500, 502, 620, 775, 800, 992, 1000, 1004, 1240, 1255, 1550, 2000, 2008, 2480, 2510, 3100, 3875, 4000, 4016, 4960, 5020, 6200, 6275, 7750, 7781, 8032, 10040, 12400, 12550, 15500, 15562, 20080, 24800, 25100, 31000, 31124, 31375, 38905, 40160, 50200, 62000, 62248, 62750, 77810, 100400, 124000, 124496, 125500, 155620, 194525, 200800, 248992, 251000, 311240, 389050, 502000, 622480, 778100, 972625, 1004000, 1244960, 1556200, 1945250, 3112400, 3890500, 6224800, 7781000, 15562000, 31124000]

約数ペア:

[(1, 31124000), (2, 15562000), (4, 7781000), (5, 6224800), (8, 3890500), (10, 3112400), (16, 1945250), (20, 1556200), (25, 1244960), (31, 1004000), (32, 972625), (40, 778100), (50, 622480), (62, 502000), (80, 389050), (100, 311240), (124, 251000), (125, 248992), (155, 200800), (160, 194525), (200, 155620), (248, 125500), (250, 124496), (251, 124000), (310, 100400), (400, 77810), (496, 62750), (500, 62248), (502, 62000), (620, 50200), (775, 40160), (800, 38905), (992, 31375), (1000, 31124), (1004, 31000), (1240, 25100), (1255, 24800), (1550, 20080), (2000, 15562), (2008, 15500), (2480, 12550), (2510, 12400), (3100, 10040), (3875, 8032), (4000, 7781), (4016, 7750), (4960, 6275), (5020, 6200)]