91020820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{10091}}^1$

素因数の和:10152

約数の個数: 48

約数和(自身を含む): 213627456

約数和(自身を除く): 122606636

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 4510, 9020, 10091, 20182, 40364, 50455, 100910, 111001, 201820, 222002, 413731, 444004, 555005, 827462, 1110010, 1654924, 2068655, 2220020, 4137310, 4551041, 8274620, 9102082, 18204164, 22755205, 45510410, 91020820]

約数ペア:

[(1, 91020820), (2, 45510410), (4, 22755205), (5, 18204164), (10, 9102082), (11, 8274620), (20, 4551041), (22, 4137310), (41, 2220020), (44, 2068655), (55, 1654924), (82, 1110010), (110, 827462), (164, 555005), (205, 444004), (220, 413731), (410, 222002), (451, 201820), (820, 111001), (902, 100910), (1804, 50455), (2255, 40364), (4510, 20182), (9020, 10091)]