28540000

素因数分解:

$2^5\times 5^4\times {\mathrm{1427}}^1$

素因数の和:1457

約数の個数: 60

約数和(自身を含む): 70261884

約数和(自身を除く): 41721884

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 625, 800, 1000, 1250, 1427, 2000, 2500, 2854, 4000, 5000, 5708, 7135, 10000, 11416, 14270, 20000, 22832, 28540, 35675, 45664, 57080, 71350, 114160, 142700, 178375, 228320, 285400, 356750, 570800, 713500, 891875, 1141600, 1427000, 1783750, 2854000, 3567500, 5708000, 7135000, 14270000, 28540000]

約数ペア:

[(1, 28540000), (2, 14270000), (4, 7135000), (5, 5708000), (8, 3567500), (10, 2854000), (16, 1783750), (20, 1427000), (25, 1141600), (32, 891875), (40, 713500), (50, 570800), (80, 356750), (100, 285400), (125, 228320), (160, 178375), (200, 142700), (250, 114160), (400, 71350), (500, 57080), (625, 45664), (800, 35675), (1000, 28540), (1250, 22832), (1427, 20000), (2000, 14270), (2500, 11416), (2854, 10000), (4000, 7135), (5000, 5708)]