80833220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16363}}^1$

素因数の和:16404

約数の個数: 48

約数和(自身を含む): 192440640

約数和(自身を除く): 111607420

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 16363, 32726, 65452, 81815, 163630, 212719, 310897, 327260, 425438, 621794, 850876, 1063595, 1243588, 1554485, 2127190, 3108970, 4041661, 4254380, 6217940, 8083322, 16166644, 20208305, 40416610, 80833220]

約数ペア:

[(1, 80833220), (2, 40416610), (4, 20208305), (5, 16166644), (10, 8083322), (13, 6217940), (19, 4254380), (20, 4041661), (26, 3108970), (38, 2127190), (52, 1554485), (65, 1243588), (76, 1063595), (95, 850876), (130, 621794), (190, 425438), (247, 327260), (260, 310897), (380, 212719), (494, 163630), (988, 81815), (1235, 65452), (2470, 32726), (4940, 16363)]