22682500

素因数分解:

$2^2\times 5^4\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:278

約数の個数: 60

約数和(自身を含む): 50996176

約数和(自身を除く): 28313676

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 125, 172, 211, 215, 250, 422, 430, 500, 625, 844, 860, 1055, 1075, 1250, 2110, 2150, 2500, 4220, 4300, 5275, 5375, 9073, 10550, 10750, 18146, 21100, 21500, 26375, 26875, 36292, 45365, 52750, 53750, 90730, 105500, 107500, 131875, 181460, 226825, 263750, 453650, 527500, 907300, 1134125, 2268250, 4536500, 5670625, 11341250, 22682500]

約数ペア:

[(1, 22682500), (2, 11341250), (4, 5670625), (5, 4536500), (10, 2268250), (20, 1134125), (25, 907300), (43, 527500), (50, 453650), (86, 263750), (100, 226825), (125, 181460), (172, 131875), (211, 107500), (215, 105500), (250, 90730), (422, 53750), (430, 52750), (500, 45365), (625, 36292), (844, 26875), (860, 26375), (1055, 21500), (1075, 21100), (1250, 18146), (2110, 10750), (2150, 10550), (2500, 9073), (4220, 5375), (4300, 5275)]