3996996880

素因数分解:

$2^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{160651}}^1$

素因数の和:160975

約数の個数: 40

約数和(自身を含む): 9322956864

約数和(自身を除く): 5325959984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 311, 622, 1244, 1555, 2488, 3110, 4976, 6220, 12440, 24880, 160651, 321302, 642604, 803255, 1285208, 1606510, 2570416, 3213020, 6426040, 12852080, 49962461, 99924922, 199849844, 249812305, 399699688, 499624610, 799399376, 999249220, 1998498440, 3996996880]

約数ペア:

[(1, 3996996880), (2, 1998498440), (4, 999249220), (5, 799399376), (8, 499624610), (10, 399699688), (16, 249812305), (20, 199849844), (40, 99924922), (80, 49962461), (311, 12852080), (622, 6426040), (1244, 3213020), (1555, 2570416), (2488, 1606510), (3110, 1285208), (4976, 803255), (6220, 642604), (12440, 321302), (24880, 160651)]