31005594820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1643987}}^1$

素因数の和:1644060

約数の個数: 48

約数和(自身を含む): 69599875968

約数和(自身を除く): 38594281148

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 164, 205, 230, 410, 460, 820, 943, 1886, 3772, 4715, 9430, 18860, 1643987, 3287974, 6575948, 8219935, 16439870, 32879740, 37811701, 67403467, 75623402, 134806934, 151246804, 189058505, 269613868, 337017335, 378117010, 674034670, 756234020, 1348069340, 1550279741, 3100559482, 6201118964, 7751398705, 15502797410, 31005594820]

約数ペア:

[(1, 31005594820), (2, 15502797410), (4, 7751398705), (5, 6201118964), (10, 3100559482), (20, 1550279741), (23, 1348069340), (41, 756234020), (46, 674034670), (82, 378117010), (92, 337017335), (115, 269613868), (164, 189058505), (205, 151246804), (230, 134806934), (410, 75623402), (460, 67403467), (820, 37811701), (943, 32879740), (1886, 16439870), (3772, 8219935), (4715, 6575948), (9430, 3287974), (18860, 1643987)]