38400880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1459}}^1$

素因数の和:1526

約数の個数: 80

約数和(自身を含む): 104279040

約数和(自身を除く): 65878160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 470, 560, 658, 752, 940, 1316, 1459, 1645, 1880, 2632, 2918, 3290, 3760, 5264, 5836, 6580, 7295, 10213, 11672, 13160, 14590, 20426, 23344, 26320, 29180, 40852, 51065, 58360, 68573, 81704, 102130, 116720, 137146, 163408, 204260, 274292, 342865, 408520, 480011, 548584, 685730, 817040, 960022, 1097168, 1371460, 1920044, 2400055, 2742920, 3840088, 4800110, 5485840, 7680176, 9600220, 19200440, 38400880]

約数ペア:

[(1, 38400880), (2, 19200440), (4, 9600220), (5, 7680176), (7, 5485840), (8, 4800110), (10, 3840088), (14, 2742920), (16, 2400055), (20, 1920044), (28, 1371460), (35, 1097168), (40, 960022), (47, 817040), (56, 685730), (70, 548584), (80, 480011), (94, 408520), (112, 342865), (140, 274292), (188, 204260), (235, 163408), (280, 137146), (329, 116720), (376, 102130), (470, 81704), (560, 68573), (658, 58360), (752, 51065), (940, 40852), (1316, 29180), (1459, 26320), (1645, 23344), (1880, 20426), (2632, 14590), (2918, 13160), (3290, 11672), (3760, 10213), (5264, 7295), (5836, 6580)]