65690080

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5197}}^1$

素因数の和:5291

約数の個数: 48

約数和(自身を含む): 157187520

約数和(自身を除く): 91497440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1264, 1580, 2528, 3160, 5197, 6320, 10394, 12640, 20788, 25985, 41576, 51970, 83152, 103940, 166304, 207880, 410563, 415760, 821126, 831520, 1642252, 2052815, 3284504, 4105630, 6569008, 8211260, 13138016, 16422520, 32845040, 65690080]

約数ペア:

[(1, 65690080), (2, 32845040), (4, 16422520), (5, 13138016), (8, 8211260), (10, 6569008), (16, 4105630), (20, 3284504), (32, 2052815), (40, 1642252), (79, 831520), (80, 821126), (158, 415760), (160, 410563), (316, 207880), (395, 166304), (632, 103940), (790, 83152), (1264, 51970), (1580, 41576), (2528, 25985), (3160, 20788), (5197, 12640), (6320, 10394)]