25512250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 51891840

約数和(自身を除く): 26379590

約数列:

[1, 2, 5, 10, 19, 25, 38, 41, 50, 82, 95, 125, 131, 190, 205, 250, 262, 410, 475, 655, 779, 950, 1025, 1310, 1558, 2050, 2375, 2489, 3275, 3895, 4750, 4978, 5125, 5371, 6550, 7790, 10250, 10742, 12445, 16375, 19475, 24890, 26855, 32750, 38950, 53710, 62225, 97375, 102049, 124450, 134275, 194750, 204098, 268550, 311125, 510245, 622250, 671375, 1020490, 1342750, 2551225, 5102450, 12756125, 25512250]

約数ペア:

[(1, 25512250), (2, 12756125), (5, 5102450), (10, 2551225), (19, 1342750), (25, 1020490), (38, 671375), (41, 622250), (50, 510245), (82, 311125), (95, 268550), (125, 204098), (131, 194750), (190, 134275), (205, 124450), (250, 102049), (262, 97375), (410, 62225), (475, 53710), (655, 38950), (779, 32750), (950, 26855), (1025, 24890), (1310, 19475), (1558, 16375), (2050, 12445), (2375, 10742), (2489, 10250), (3275, 7790), (3895, 6550), (4750, 5371), (4978, 5125)]