80674520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4091}}^1$

素因数の和:4148

約数の個数: 64

約数和(自身を含む): 198871200

約数和(自身を除く): 118196680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 85, 116, 136, 145, 170, 232, 290, 340, 493, 580, 680, 986, 1160, 1972, 2465, 3944, 4091, 4930, 8182, 9860, 16364, 19720, 20455, 32728, 40910, 69547, 81820, 118639, 139094, 163640, 237278, 278188, 347735, 474556, 556376, 593195, 695470, 949112, 1186390, 1390940, 2016863, 2372780, 2781880, 4033726, 4745560, 8067452, 10084315, 16134904, 20168630, 40337260, 80674520]

約数ペア:

[(1, 80674520), (2, 40337260), (4, 20168630), (5, 16134904), (8, 10084315), (10, 8067452), (17, 4745560), (20, 4033726), (29, 2781880), (34, 2372780), (40, 2016863), (58, 1390940), (68, 1186390), (85, 949112), (116, 695470), (136, 593195), (145, 556376), (170, 474556), (232, 347735), (290, 278188), (340, 237278), (493, 163640), (580, 139094), (680, 118639), (986, 81820), (1160, 69547), (1972, 40910), (2465, 32728), (3944, 20455), (4091, 19720), (4930, 16364), (8182, 9860)]