5275000

素因数分解:

$2^3\times 5^5\times {\mathrm{211}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 12421080

約数和(自身を除く): 7146080

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 211, 250, 422, 500, 625, 844, 1000, 1055, 1250, 1688, 2110, 2500, 3125, 4220, 5000, 5275, 6250, 8440, 10550, 12500, 21100, 25000, 26375, 42200, 52750, 105500, 131875, 211000, 263750, 527500, 659375, 1055000, 1318750, 2637500, 5275000]

約数ペア:

[(1, 5275000), (2, 2637500), (4, 1318750), (5, 1055000), (8, 659375), (10, 527500), (20, 263750), (25, 211000), (40, 131875), (50, 105500), (100, 52750), (125, 42200), (200, 26375), (211, 25000), (250, 21100), (422, 12500), (500, 10550), (625, 8440), (844, 6250), (1000, 5275), (1055, 5000), (1250, 4220), (1688, 3125), (2110, 2500)]