25820040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2089}}^1$

素因数の和:2206

約数の個数: 64

約数和(自身を含む): 78249600

約数和(自身を除く): 52429560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 103, 120, 206, 309, 412, 515, 618, 824, 1030, 1236, 1545, 2060, 2089, 2472, 3090, 4120, 4178, 6180, 6267, 8356, 10445, 12360, 12534, 16712, 20890, 25068, 31335, 41780, 50136, 62670, 83560, 125340, 215167, 250680, 430334, 645501, 860668, 1075835, 1291002, 1721336, 2151670, 2582004, 3227505, 4303340, 5164008, 6455010, 8606680, 12910020, 25820040]

約数ペア:

[(1, 25820040), (2, 12910020), (3, 8606680), (4, 6455010), (5, 5164008), (6, 4303340), (8, 3227505), (10, 2582004), (12, 2151670), (15, 1721336), (20, 1291002), (24, 1075835), (30, 860668), (40, 645501), (60, 430334), (103, 250680), (120, 215167), (206, 125340), (309, 83560), (412, 62670), (515, 50136), (618, 41780), (824, 31335), (1030, 25068), (1236, 20890), (1545, 16712), (2060, 12534), (2089, 12360), (2472, 10445), (3090, 8356), (4120, 6267), (4178, 6180)]