2787800

素因数分解:

$2^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 6629040

約数和(自身を除く): 3841240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 200, 212, 263, 265, 424, 526, 530, 1052, 1060, 1315, 1325, 2104, 2120, 2630, 2650, 5260, 5300, 6575, 10520, 10600, 13150, 13939, 26300, 27878, 52600, 55756, 69695, 111512, 139390, 278780, 348475, 557560, 696950, 1393900, 2787800]

約数ペア:

[(1, 2787800), (2, 1393900), (4, 696950), (5, 557560), (8, 348475), (10, 278780), (20, 139390), (25, 111512), (40, 69695), (50, 55756), (53, 52600), (100, 27878), (106, 26300), (200, 13939), (212, 13150), (263, 10600), (265, 10520), (424, 6575), (526, 5300), (530, 5260), (1052, 2650), (1060, 2630), (1315, 2120), (1325, 2104)]