55127780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:189

約数の個数: 96

約数和(自身を含む): 128701440

約数和(自身を除く): 73573660

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 41, 46, 74, 79, 82, 92, 115, 148, 158, 164, 185, 205, 230, 316, 370, 395, 410, 460, 740, 790, 820, 851, 943, 1517, 1580, 1702, 1817, 1886, 2923, 3034, 3239, 3404, 3634, 3772, 4255, 4715, 5846, 6068, 6478, 7268, 7585, 8510, 9085, 9430, 11692, 12956, 14615, 15170, 16195, 17020, 18170, 18860, 29230, 30340, 32390, 34891, 36340, 58460, 64780, 67229, 69782, 74497, 119843, 134458, 139564, 148994, 174455, 239686, 268916, 297988, 336145, 348910, 372485, 479372, 599215, 672290, 697820, 744970, 1198430, 1344580, 1489940, 2396860, 2756389, 5512778, 11025556, 13781945, 27563890, 55127780]

約数ペア:

[(1, 55127780), (2, 27563890), (4, 13781945), (5, 11025556), (10, 5512778), (20, 2756389), (23, 2396860), (37, 1489940), (41, 1344580), (46, 1198430), (74, 744970), (79, 697820), (82, 672290), (92, 599215), (115, 479372), (148, 372485), (158, 348910), (164, 336145), (185, 297988), (205, 268916), (230, 239686), (316, 174455), (370, 148994), (395, 139564), (410, 134458), (460, 119843), (740, 74497), (790, 69782), (820, 67229), (851, 64780), (943, 58460), (1517, 36340), (1580, 34891), (1702, 32390), (1817, 30340), (1886, 29230), (2923, 18860), (3034, 18170), (3239, 17020), (3404, 16195), (3634, 15170), (3772, 14615), (4255, 12956), (4715, 11692), (5846, 9430), (6068, 9085), (6478, 8510), (7268, 7585)]