8531840

素因数分解:

$2^7\times 5^1\times {\mathrm{13331}}^1$

素因数の和:13350

約数の個数: 32

約数和(自身を含む): 20397960

約数和(自身を除く): 11866120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 13331, 26662, 53324, 66655, 106648, 133310, 213296, 266620, 426592, 533240, 853184, 1066480, 1706368, 2132960, 4265920, 8531840]

約数ペア:

[(1, 8531840), (2, 4265920), (4, 2132960), (5, 1706368), (8, 1066480), (10, 853184), (16, 533240), (20, 426592), (32, 266620), (40, 213296), (64, 133310), (80, 106648), (128, 66655), (160, 53324), (320, 26662), (640, 13331)]