51513550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{409}}^1$

素因数の和:661

約数の個数: 48

約数和(自身を含む): 105238800

約数和(自身を除く): 53725250

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 229, 275, 409, 458, 550, 818, 1145, 2045, 2290, 2519, 4090, 4499, 5038, 5725, 8998, 10225, 11450, 12595, 20450, 22495, 25190, 44990, 62975, 93661, 112475, 125950, 187322, 224950, 468305, 936610, 1030271, 2060542, 2341525, 4683050, 5151355, 10302710, 25756775, 51513550]

約数ペア:

[(1, 51513550), (2, 25756775), (5, 10302710), (10, 5151355), (11, 4683050), (22, 2341525), (25, 2060542), (50, 1030271), (55, 936610), (110, 468305), (229, 224950), (275, 187322), (409, 125950), (458, 112475), (550, 93661), (818, 62975), (1145, 44990), (2045, 25190), (2290, 22495), (2519, 20450), (4090, 12595), (4499, 11450), (5038, 10225), (5725, 8998)]