25190475

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 43604352

約数和(自身を除く): 18413877

約数列:

[1, 3, 5, 15, 25, 43, 73, 75, 107, 129, 215, 219, 321, 365, 535, 645, 1075, 1095, 1605, 1825, 2675, 3139, 3225, 4601, 5475, 7811, 8025, 9417, 13803, 15695, 23005, 23433, 39055, 47085, 69015, 78475, 115025, 117165, 195275, 235425, 335873, 345075, 585825, 1007619, 1679365, 5038095, 8396825, 25190475]

約数ペア:

[(1, 25190475), (3, 8396825), (5, 5038095), (15, 1679365), (25, 1007619), (43, 585825), (73, 345075), (75, 335873), (107, 235425), (129, 195275), (215, 117165), (219, 115025), (321, 78475), (365, 69015), (535, 47085), (645, 39055), (1075, 23433), (1095, 23005), (1605, 15695), (1825, 13803), (2675, 9417), (3139, 8025), (3225, 7811), (4601, 5475)]