56855240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3527}}^1$

素因数の和:3582

約数の個数: 64

約数和(自身を含む): 142248960

約数和(自身を除く): 85393720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 3527, 4030, 7054, 8060, 14108, 16120, 17635, 28216, 35270, 45851, 70540, 91702, 109337, 141080, 183404, 218674, 229255, 366808, 437348, 458510, 546685, 874696, 917020, 1093370, 1421381, 1834040, 2186740, 2842762, 4373480, 5685524, 7106905, 11371048, 14213810, 28427620, 56855240]

約数ペア:

[(1, 56855240), (2, 28427620), (4, 14213810), (5, 11371048), (8, 7106905), (10, 5685524), (13, 4373480), (20, 2842762), (26, 2186740), (31, 1834040), (40, 1421381), (52, 1093370), (62, 917020), (65, 874696), (104, 546685), (124, 458510), (130, 437348), (155, 366808), (248, 229255), (260, 218674), (310, 183404), (403, 141080), (520, 109337), (620, 91702), (806, 70540), (1240, 45851), (1612, 35270), (2015, 28216), (3224, 17635), (3527, 16120), (4030, 14108), (7054, 8060)]