201991840

素因数分解:

$2^5\times 5^1\times {\mathrm{379}}^1\times {\mathrm{3331}}^1$

素因数の和:3725

約数の個数: 48

約数和(自身を含む): 478608480

約数和(自身を除く): 276616640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 379, 758, 1516, 1895, 3032, 3331, 3790, 6064, 6662, 7580, 12128, 13324, 15160, 16655, 26648, 30320, 33310, 53296, 60640, 66620, 106592, 133240, 266480, 532960, 1262449, 2524898, 5049796, 6312245, 10099592, 12624490, 20199184, 25248980, 40398368, 50497960, 100995920, 201991840]

約数ペア:

[(1, 201991840), (2, 100995920), (4, 50497960), (5, 40398368), (8, 25248980), (10, 20199184), (16, 12624490), (20, 10099592), (32, 6312245), (40, 5049796), (80, 2524898), (160, 1262449), (379, 532960), (758, 266480), (1516, 133240), (1895, 106592), (3032, 66620), (3331, 60640), (3790, 53296), (6064, 33310), (6662, 30320), (7580, 26648), (12128, 16655), (13324, 15160)]