51392720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{33811}}^1$

素因数の和:33843

約数の個数: 40

約数和(自身を含む): 125780640

約数和(自身を除く): 74387920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 33811, 67622, 135244, 169055, 270488, 338110, 540976, 642409, 676220, 1284818, 1352440, 2569636, 2704880, 3212045, 5139272, 6424090, 10278544, 12848180, 25696360, 51392720]

約数ペア:

[(1, 51392720), (2, 25696360), (4, 12848180), (5, 10278544), (8, 6424090), (10, 5139272), (16, 3212045), (19, 2704880), (20, 2569636), (38, 1352440), (40, 1284818), (76, 676220), (80, 642409), (95, 540976), (152, 338110), (190, 270488), (304, 169055), (380, 135244), (760, 67622), (1520, 33811)]