6433720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3923}}^1$

素因数の和:3975

約数の個数: 32

約数和(自身を含む): 14832720

約数和(自身を除く): 8399000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 3923, 7846, 15692, 19615, 31384, 39230, 78460, 156920, 160843, 321686, 643372, 804215, 1286744, 1608430, 3216860, 6433720]

約数ペア:

[(1, 6433720), (2, 3216860), (4, 1608430), (5, 1286744), (8, 804215), (10, 643372), (20, 321686), (40, 160843), (41, 156920), (82, 78460), (164, 39230), (205, 31384), (328, 19615), (410, 15692), (820, 7846), (1640, 3923)]