25082500

素因数分解:

$2^2\times 5^4\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:230

約数の個数: 60

約数和(自身を含む): 55982080

約数和(自身を除く): 30899580

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 125, 127, 158, 250, 254, 316, 395, 500, 508, 625, 635, 790, 1250, 1270, 1580, 1975, 2500, 2540, 3175, 3950, 6350, 7900, 9875, 10033, 12700, 15875, 19750, 20066, 31750, 39500, 40132, 49375, 50165, 63500, 79375, 98750, 100330, 158750, 197500, 200660, 250825, 317500, 501650, 1003300, 1254125, 2508250, 5016500, 6270625, 12541250, 25082500]

約数ペア:

[(1, 25082500), (2, 12541250), (4, 6270625), (5, 5016500), (10, 2508250), (20, 1254125), (25, 1003300), (50, 501650), (79, 317500), (100, 250825), (125, 200660), (127, 197500), (158, 158750), (250, 100330), (254, 98750), (316, 79375), (395, 63500), (500, 50165), (508, 49375), (625, 40132), (635, 39500), (790, 31750), (1250, 20066), (1270, 19750), (1580, 15875), (1975, 12700), (2500, 10033), (2540, 9875), (3175, 7900), (3950, 6350)]