56728840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2441}}^1$

素因数の和:2542

約数の個数: 64

約数和(自身を含む): 147692160

約数和(自身を除く): 90963320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 83, 140, 166, 280, 332, 415, 581, 664, 830, 1162, 1660, 2324, 2441, 2905, 3320, 4648, 4882, 5810, 9764, 11620, 12205, 17087, 19528, 23240, 24410, 34174, 48820, 68348, 85435, 97640, 136696, 170870, 202603, 341740, 405206, 683480, 810412, 1013015, 1418221, 1620824, 2026030, 2836442, 4052060, 5672884, 7091105, 8104120, 11345768, 14182210, 28364420, 56728840]

約数ペア:

[(1, 56728840), (2, 28364420), (4, 14182210), (5, 11345768), (7, 8104120), (8, 7091105), (10, 5672884), (14, 4052060), (20, 2836442), (28, 2026030), (35, 1620824), (40, 1418221), (56, 1013015), (70, 810412), (83, 683480), (140, 405206), (166, 341740), (280, 202603), (332, 170870), (415, 136696), (581, 97640), (664, 85435), (830, 68348), (1162, 48820), (1660, 34174), (2324, 24410), (2441, 23240), (2905, 19528), (3320, 17087), (4648, 12205), (4882, 11620), (5810, 9764)]