28007200

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2693}}^1$

素因数の和:2726

約数の個数: 72

約数和(自身を含む): 73659348

約数和(自身を除く): 45652148

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2080, 2600, 2693, 5200, 5386, 10400, 10772, 13465, 21544, 26930, 35009, 43088, 53860, 67325, 70018, 86176, 107720, 134650, 140036, 175045, 215440, 269300, 280072, 350090, 430880, 538600, 560144, 700180, 875225, 1077200, 1120288, 1400360, 1750450, 2154400, 2800720, 3500900, 5601440, 7001800, 14003600, 28007200]

約数ペア:

[(1, 28007200), (2, 14003600), (4, 7001800), (5, 5601440), (8, 3500900), (10, 2800720), (13, 2154400), (16, 1750450), (20, 1400360), (25, 1120288), (26, 1077200), (32, 875225), (40, 700180), (50, 560144), (52, 538600), (65, 430880), (80, 350090), (100, 280072), (104, 269300), (130, 215440), (160, 175045), (200, 140036), (208, 134650), (260, 107720), (325, 86176), (400, 70018), (416, 67325), (520, 53860), (650, 43088), (800, 35009), (1040, 26930), (1300, 21544), (2080, 13465), (2600, 10772), (2693, 10400), (5200, 5386)]