25261900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:355

約数の個数: 72

約数和(自身を含む): 58746240

約数和(自身を除く): 33484340

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 31, 50, 58, 62, 100, 116, 124, 145, 155, 281, 290, 310, 562, 580, 620, 725, 775, 899, 1124, 1405, 1450, 1550, 1798, 2810, 2900, 3100, 3596, 4495, 5620, 7025, 8149, 8711, 8990, 14050, 16298, 17422, 17980, 22475, 28100, 32596, 34844, 40745, 43555, 44950, 81490, 87110, 89900, 162980, 174220, 203725, 217775, 252619, 407450, 435550, 505238, 814900, 871100, 1010476, 1263095, 2526190, 5052380, 6315475, 12630950, 25261900]

約数ペア:

[(1, 25261900), (2, 12630950), (4, 6315475), (5, 5052380), (10, 2526190), (20, 1263095), (25, 1010476), (29, 871100), (31, 814900), (50, 505238), (58, 435550), (62, 407450), (100, 252619), (116, 217775), (124, 203725), (145, 174220), (155, 162980), (281, 89900), (290, 87110), (310, 81490), (562, 44950), (580, 43555), (620, 40745), (725, 34844), (775, 32596), (899, 28100), (1124, 22475), (1405, 17980), (1450, 17422), (1550, 16298), (1798, 14050), (2810, 8990), (2900, 8711), (3100, 8149), (3596, 7025), (4495, 5620)]