140135680

素因数分解:

$2^8\times 5^1\times {\mathrm{109481}}^1$

素因数の和:109502

約数の個数: 36

約数和(自身を含む): 335671812

約数和(自身を除く): 195536132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 109481, 218962, 437924, 547405, 875848, 1094810, 1751696, 2189620, 3503392, 4379240, 7006784, 8758480, 14013568, 17516960, 28027136, 35033920, 70067840, 140135680]

約数ペア:

[(1, 140135680), (2, 70067840), (4, 35033920), (5, 28027136), (8, 17516960), (10, 14013568), (16, 8758480), (20, 7006784), (32, 4379240), (40, 3503392), (64, 2189620), (80, 1751696), (128, 1094810), (160, 875848), (256, 547405), (320, 437924), (640, 218962), (1280, 109481)]