2637500

素因数分解:

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

素因数の和:240

約数の個数: 36

約数和(自身を含む): 5796504

約数和(自身を除く): 3159004

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 211, 250, 422, 500, 625, 844, 1055, 1250, 2110, 2500, 3125, 4220, 5275, 6250, 10550, 12500, 21100, 26375, 52750, 105500, 131875, 263750, 527500, 659375, 1318750, 2637500]

約数ペア:

[(1, 2637500), (2, 1318750), (4, 659375), (5, 527500), (10, 263750), (20, 131875), (25, 105500), (50, 52750), (100, 26375), (125, 21100), (211, 12500), (250, 10550), (422, 6250), (500, 5275), (625, 4220), (844, 3125), (1055, 2500), (1250, 2110)]