5621980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3089}}^1$

素因数の和:3118

約数の個数: 48

約数和(自身を含む): 14535360

約数和(自身を除く): 8913380

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, 3089, 6178, 12356, 15445, 21623, 30890, 40157, 43246, 61780, 80314, 86492, 108115, 160628, 200785, 216230, 281099, 401570, 432460, 562198, 803140, 1124396, 1405495, 2810990, 5621980]

約数ペア:

[(1, 5621980), (2, 2810990), (4, 1405495), (5, 1124396), (7, 803140), (10, 562198), (13, 432460), (14, 401570), (20, 281099), (26, 216230), (28, 200785), (35, 160628), (52, 108115), (65, 86492), (70, 80314), (91, 61780), (130, 43246), (140, 40157), (182, 30890), (260, 21623), (364, 15445), (455, 12356), (910, 6178), (1820, 3089)]