85920280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{863}}^1$

素因数の和:1024

約数の個数: 64

約数和(自身を含む): 205286400

約数和(自身を除く): 119366120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 131, 152, 190, 262, 380, 524, 655, 760, 863, 1048, 1310, 1726, 2489, 2620, 3452, 4315, 4978, 5240, 6904, 8630, 9956, 12445, 16397, 17260, 19912, 24890, 32794, 34520, 49780, 65588, 81985, 99560, 113053, 131176, 163970, 226106, 327940, 452212, 565265, 655880, 904424, 1130530, 2148007, 2261060, 4296014, 4522120, 8592028, 10740035, 17184056, 21480070, 42960140, 85920280]

約数ペア:

[(1, 85920280), (2, 42960140), (4, 21480070), (5, 17184056), (8, 10740035), (10, 8592028), (19, 4522120), (20, 4296014), (38, 2261060), (40, 2148007), (76, 1130530), (95, 904424), (131, 655880), (152, 565265), (190, 452212), (262, 327940), (380, 226106), (524, 163970), (655, 131176), (760, 113053), (863, 99560), (1048, 81985), (1310, 65588), (1726, 49780), (2489, 34520), (2620, 32794), (3452, 24890), (4315, 19912), (4978, 17260), (5240, 16397), (6904, 12445), (8630, 9956)]