8464820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4651}}^1$

素因数の和:4680

約数の個数: 48

約数和(自身を含む): 21883008

約数和(自身を除く): 13418188

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, 4651, 9302, 18604, 23255, 32557, 46510, 60463, 65114, 93020, 120926, 130228, 162785, 241852, 302315, 325570, 423241, 604630, 651140, 846482, 1209260, 1692964, 2116205, 4232410, 8464820]

約数ペア:

[(1, 8464820), (2, 4232410), (4, 2116205), (5, 1692964), (7, 1209260), (10, 846482), (13, 651140), (14, 604630), (20, 423241), (26, 325570), (28, 302315), (35, 241852), (52, 162785), (65, 130228), (70, 120926), (91, 93020), (130, 65114), (140, 60463), (182, 46510), (260, 32557), (364, 23255), (455, 18604), (910, 9302), (1820, 4651)]