25765980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{18671}}^1$

素因数の和:18706

約数の個数: 48

約数和(自身を含む): 75285504

約数和(自身を除く): 49519524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 18671, 37342, 56013, 74684, 93355, 112026, 186710, 224052, 280065, 373420, 429433, 560130, 858866, 1120260, 1288299, 1717732, 2147165, 2576598, 4294330, 5153196, 6441495, 8588660, 12882990, 25765980]

約数ペア:

[(1, 25765980), (2, 12882990), (3, 8588660), (4, 6441495), (5, 5153196), (6, 4294330), (10, 2576598), (12, 2147165), (15, 1717732), (20, 1288299), (23, 1120260), (30, 858866), (46, 560130), (60, 429433), (69, 373420), (92, 280065), (115, 224052), (138, 186710), (230, 112026), (276, 93355), (345, 74684), (460, 56013), (690, 37342), (1380, 18671)]