56172880

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{2591}}^1$

素因数の和:2875

約数の個数: 40

約数和(自身を含む): 131134464

約数和(自身を除く): 74961584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 1084, 1355, 2168, 2591, 2710, 4336, 5182, 5420, 10364, 10840, 12955, 20728, 21680, 25910, 41456, 51820, 103640, 207280, 702161, 1404322, 2808644, 3510805, 5617288, 7021610, 11234576, 14043220, 28086440, 56172880]

約数ペア:

[(1, 56172880), (2, 28086440), (4, 14043220), (5, 11234576), (8, 7021610), (10, 5617288), (16, 3510805), (20, 2808644), (40, 1404322), (80, 702161), (271, 207280), (542, 103640), (1084, 51820), (1355, 41456), (2168, 25910), (2591, 21680), (2710, 20728), (4336, 12955), (5182, 10840), (5420, 10364)]