55343990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{443}}^1$

素因数の和:525

約数の個数: 48

約数和(自身を含む): 111104784

約数和(自身を除く): 55760794

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 443, 806, 886, 961, 1922, 2015, 2215, 4030, 4430, 4805, 5759, 9610, 11518, 12493, 13733, 24986, 27466, 28795, 57590, 62465, 68665, 124930, 137330, 178529, 357058, 425723, 851446, 892645, 1785290, 2128615, 4257230, 5534399, 11068798, 27671995, 55343990]

約数ペア:

[(1, 55343990), (2, 27671995), (5, 11068798), (10, 5534399), (13, 4257230), (26, 2128615), (31, 1785290), (62, 892645), (65, 851446), (130, 425723), (155, 357058), (310, 178529), (403, 137330), (443, 124930), (806, 68665), (886, 62465), (961, 57590), (1922, 28795), (2015, 27466), (2215, 24986), (4030, 13733), (4430, 12493), (4805, 11518), (5759, 9610)]