51761720

素因数分解:

$2^3\times 5^1\times {\mathrm{613}}^1\times {\mathrm{2111}}^1$

素因数の和:2735

約数の個数: 32

約数和(自身を含む): 116709120

約数和(自身を除く): 64947400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 613, 1226, 2111, 2452, 3065, 4222, 4904, 6130, 8444, 10555, 12260, 16888, 21110, 24520, 42220, 84440, 1294043, 2588086, 5176172, 6470215, 10352344, 12940430, 25880860, 51761720]

約数ペア:

[(1, 51761720), (2, 25880860), (4, 12940430), (5, 10352344), (8, 6470215), (10, 5176172), (20, 2588086), (40, 1294043), (613, 84440), (1226, 42220), (2111, 24520), (2452, 21110), (3065, 16888), (4222, 12260), (4904, 10555), (6130, 8444)]