26375000

素因数分解:

$2^3\times 5^6\times {\mathrm{211}}^1$

素因数の和:247

約数の個数: 56

約数和(自身を含む): 62108580

約数和(自身を除く): 35733580

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, 15625, 21100, 25000, 26375, 31250, 42200, 52750, 62500, 105500, 125000, 131875, 211000, 263750, 527500, 659375, 1055000, 1318750, 2637500, 3296875, 5275000, 6593750, 13187500, 26375000]

約数ペア:

[(1, 26375000), (2, 13187500), (4, 6593750), (5, 5275000), (8, 3296875), (10, 2637500), (20, 1318750), (25, 1055000), (40, 659375), (50, 527500), (100, 263750), (125, 211000), (200, 131875), (211, 125000), (250, 105500), (422, 62500), (500, 52750), (625, 42200), (844, 31250), (1000, 26375), (1055, 25000), (1250, 21100), (1688, 15625), (2110, 12500), (2500, 10550), (3125, 8440), (4220, 6250), (5000, 5275)]