28006500

素因数分解:

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

素因数の和:18693

約数の個数: 48

約数和(自身を含む): 81559296

約数和(自身を除く): 53552796

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 750, 1500, 18671, 37342, 56013, 74684, 93355, 112026, 186710, 224052, 280065, 373420, 466775, 560130, 933550, 1120260, 1400325, 1867100, 2333875, 2800650, 4667750, 5601300, 7001625, 9335500, 14003250, 28006500]

約数ペア:

[(1, 28006500), (2, 14003250), (3, 9335500), (4, 7001625), (5, 5601300), (6, 4667750), (10, 2800650), (12, 2333875), (15, 1867100), (20, 1400325), (25, 1120260), (30, 933550), (50, 560130), (60, 466775), (75, 373420), (100, 280065), (125, 224052), (150, 186710), (250, 112026), (300, 93355), (375, 74684), (500, 56013), (750, 37342), (1500, 18671)]