4087840

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{881}}^1$

素因数の和:925

約数の個数: 48

約数和(自身を含む): 10001880

約数和(自身を除く): 5914040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 881, 928, 1160, 1762, 2320, 3524, 4405, 4640, 7048, 8810, 14096, 17620, 25549, 28192, 35240, 51098, 70480, 102196, 127745, 140960, 204392, 255490, 408784, 510980, 817568, 1021960, 2043920, 4087840]

約数ペア:

[(1, 4087840), (2, 2043920), (4, 1021960), (5, 817568), (8, 510980), (10, 408784), (16, 255490), (20, 204392), (29, 140960), (32, 127745), (40, 102196), (58, 70480), (80, 51098), (116, 35240), (145, 28192), (160, 25549), (232, 17620), (290, 14096), (464, 8810), (580, 7048), (881, 4640), (928, 4405), (1160, 3524), (1762, 2320)]