78800920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2267}}^1$

素因数の和:2368

約数の個数: 64

約数和(自身を含む): 195955200

約数和(自身を除く): 117154280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 79, 88, 110, 158, 220, 316, 395, 440, 632, 790, 869, 1580, 1738, 2267, 3160, 3476, 4345, 4534, 6952, 8690, 9068, 11335, 17380, 18136, 22670, 24937, 34760, 45340, 49874, 90680, 99748, 124685, 179093, 199496, 249370, 358186, 498740, 716372, 895465, 997480, 1432744, 1790930, 1970023, 3581860, 3940046, 7163720, 7880092, 9850115, 15760184, 19700230, 39400460, 78800920]

約数ペア:

[(1, 78800920), (2, 39400460), (4, 19700230), (5, 15760184), (8, 9850115), (10, 7880092), (11, 7163720), (20, 3940046), (22, 3581860), (40, 1970023), (44, 1790930), (55, 1432744), (79, 997480), (88, 895465), (110, 716372), (158, 498740), (220, 358186), (316, 249370), (395, 199496), (440, 179093), (632, 124685), (790, 99748), (869, 90680), (1580, 49874), (1738, 45340), (2267, 34760), (3160, 24937), (3476, 22670), (4345, 18136), (4534, 17380), (6952, 11335), (8690, 9068)]