2111500

素因数分解:

$2^2\times 5^3\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:163

約数の個数: 48

約数和(自身を含む): 4769856

約数和(自身を除く): 2658356

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 103, 125, 164, 205, 206, 250, 410, 412, 500, 515, 820, 1025, 1030, 2050, 2060, 2575, 4100, 4223, 5125, 5150, 8446, 10250, 10300, 12875, 16892, 20500, 21115, 25750, 42230, 51500, 84460, 105575, 211150, 422300, 527875, 1055750, 2111500]

約数ペア:

[(1, 2111500), (2, 1055750), (4, 527875), (5, 422300), (10, 211150), (20, 105575), (25, 84460), (41, 51500), (50, 42230), (82, 25750), (100, 21115), (103, 20500), (125, 16892), (164, 12875), (205, 10300), (206, 10250), (250, 8446), (410, 5150), (412, 5125), (500, 4223), (515, 4100), (820, 2575), (1025, 2060), (1030, 2050)]