26471000

素因数分解:

$2^3\times 5^3\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 62786880

約数和(自身を除く): 36315880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 103, 125, 200, 206, 250, 257, 412, 500, 514, 515, 824, 1000, 1028, 1030, 1285, 2056, 2060, 2570, 2575, 4120, 5140, 5150, 6425, 10280, 10300, 12850, 12875, 20600, 25700, 25750, 26471, 32125, 51400, 51500, 52942, 64250, 103000, 105884, 128500, 132355, 211768, 257000, 264710, 529420, 661775, 1058840, 1323550, 2647100, 3308875, 5294200, 6617750, 13235500, 26471000]

約数ペア:

[(1, 26471000), (2, 13235500), (4, 6617750), (5, 5294200), (8, 3308875), (10, 2647100), (20, 1323550), (25, 1058840), (40, 661775), (50, 529420), (100, 264710), (103, 257000), (125, 211768), (200, 132355), (206, 128500), (250, 105884), (257, 103000), (412, 64250), (500, 52942), (514, 51500), (515, 51400), (824, 32125), (1000, 26471), (1028, 25750), (1030, 25700), (1285, 20600), (2056, 12875), (2060, 12850), (2570, 10300), (2575, 10280), (4120, 6425), (5140, 5150)]