31855520

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{5381}}^1$

素因数の和:5433

約数の個数: 48

約数和(自身を含む): 77307048

約数和(自身を除く): 45451528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 740, 1184, 1480, 2960, 5381, 5920, 10762, 21524, 26905, 43048, 53810, 86096, 107620, 172192, 199097, 215240, 398194, 430480, 796388, 860960, 995485, 1592776, 1990970, 3185552, 3981940, 6371104, 7963880, 15927760, 31855520]

約数ペア:

[(1, 31855520), (2, 15927760), (4, 7963880), (5, 6371104), (8, 3981940), (10, 3185552), (16, 1990970), (20, 1592776), (32, 995485), (37, 860960), (40, 796388), (74, 430480), (80, 398194), (148, 215240), (160, 199097), (185, 172192), (296, 107620), (370, 86096), (592, 53810), (740, 43048), (1184, 26905), (1480, 21524), (2960, 10762), (5381, 5920)]