2131840

素因数分解:

$2^7\times 5^1\times {\mathrm{3331}}^1$

素因数の和:3350

約数の個数: 32

約数和(自身を含む): 5097960

約数和(自身を除く): 2966120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 3331, 6662, 13324, 16655, 26648, 33310, 53296, 66620, 106592, 133240, 213184, 266480, 426368, 532960, 1065920, 2131840]

約数ペア:

[(1, 2131840), (2, 1065920), (4, 532960), (5, 426368), (8, 266480), (10, 213184), (16, 133240), (20, 106592), (32, 66620), (40, 53296), (64, 33310), (80, 26648), (128, 16655), (160, 13324), (320, 6662), (640, 3331)]