2100292240

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{640333}}^1$

素因数の和:640387

約数の個数: 40

約数和(自身を含む): 5002289208

約数和(自身を除く): 2901996968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 640333, 1280666, 2561332, 3201665, 5122664, 6403330, 10245328, 12806660, 25613320, 26253653, 51226640, 52507306, 105014612, 131268265, 210029224, 262536530, 420058448, 525073060, 1050146120, 2100292240]

約数ペア:

[(1, 2100292240), (2, 1050146120), (4, 525073060), (5, 420058448), (8, 262536530), (10, 210029224), (16, 131268265), (20, 105014612), (40, 52507306), (41, 51226640), (80, 26253653), (82, 25613320), (164, 12806660), (205, 10245328), (328, 6403330), (410, 5122664), (656, 3201665), (820, 2561332), (1640, 1280666), (3280, 640333)]