8439340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4637}}^1$

素因数の和:4666

約数の個数: 48

約数和(自身を含む): 21817152

約数和(自身を除く): 13377812

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 4637, 9274, 18548, 23185, 32459, 46370, 60281, 64918, 92740, 120562, 129836, 162295, 241124, 301405, 324590, 421967, 602810, 649180, 843934, 1205620, 1687868, 2109835, 4219670, 8439340]

約数ペア:

[(1, 8439340), (2, 4219670), (4, 2109835), (5, 1687868), (7, 1205620), (10, 843934), (13, 649180), (14, 602810), (20, 421967), (26, 324590), (28, 301405), (35, 241124), (52, 162295), (65, 129836), (70, 120562), (91, 92740), (130, 64918), (140, 60281), (182, 46370), (260, 32459), (364, 23185), (455, 18548), (910, 9274), (1820, 4637)]