7831720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15061}}^1$

素因数の和:15085

約数の個数: 32

約数和(自身を含む): 18978120

約数和(自身を除く): 11146400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 15061, 30122, 60244, 75305, 120488, 150610, 195793, 301220, 391586, 602440, 783172, 978965, 1566344, 1957930, 3915860, 7831720]

約数ペア:

[(1, 7831720), (2, 3915860), (4, 1957930), (5, 1566344), (8, 978965), (10, 783172), (13, 602440), (20, 391586), (26, 301220), (40, 195793), (52, 150610), (65, 120488), (104, 75305), (130, 60244), (260, 30122), (520, 15061)]