25979000

素因数分解:

$2^3\times 5^3\times {\mathrm{83}}^1\times {\mathrm{313}}^1$

素因数の和:417

約数の個数: 64

約数和(自身を含む): 61719840

約数和(自身を除く): 35740840

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 83, 100, 125, 166, 200, 250, 313, 332, 415, 500, 626, 664, 830, 1000, 1252, 1565, 1660, 2075, 2504, 3130, 3320, 4150, 6260, 7825, 8300, 10375, 12520, 15650, 16600, 20750, 25979, 31300, 39125, 41500, 51958, 62600, 78250, 83000, 103916, 129895, 156500, 207832, 259790, 313000, 519580, 649475, 1039160, 1298950, 2597900, 3247375, 5195800, 6494750, 12989500, 25979000]

約数ペア:

[(1, 25979000), (2, 12989500), (4, 6494750), (5, 5195800), (8, 3247375), (10, 2597900), (20, 1298950), (25, 1039160), (40, 649475), (50, 519580), (83, 313000), (100, 259790), (125, 207832), (166, 156500), (200, 129895), (250, 103916), (313, 83000), (332, 78250), (415, 62600), (500, 51958), (626, 41500), (664, 39125), (830, 31300), (1000, 25979), (1252, 20750), (1565, 16600), (1660, 15650), (2075, 12520), (2504, 10375), (3130, 8300), (3320, 7825), (4150, 6260)]