68909920

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5189}}^1$

素因数の和:5287

約数の個数: 48

約数和(自身を含む): 164792880

約数和(自身を除く): 95882960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 415, 664, 830, 1328, 1660, 2656, 3320, 5189, 6640, 10378, 13280, 20756, 25945, 41512, 51890, 83024, 103780, 166048, 207560, 415120, 430687, 830240, 861374, 1722748, 2153435, 3445496, 4306870, 6890992, 8613740, 13781984, 17227480, 34454960, 68909920]

約数ペア:

[(1, 68909920), (2, 34454960), (4, 17227480), (5, 13781984), (8, 8613740), (10, 6890992), (16, 4306870), (20, 3445496), (32, 2153435), (40, 1722748), (80, 861374), (83, 830240), (160, 430687), (166, 415120), (332, 207560), (415, 166048), (664, 103780), (830, 83024), (1328, 51890), (1660, 41512), (2656, 25945), (3320, 20756), (5189, 13280), (6640, 10378)]