129279760

素因数分解:

$2^4\times 5^1\times {\mathrm{1123}}^1\times {\mathrm{1439}}^1$

素因数の和:2575

約数の個数: 40

約数和(自身を含む): 301052160

約数和(自身を除く): 171772400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1123, 1439, 2246, 2878, 4492, 5615, 5756, 7195, 8984, 11230, 11512, 14390, 17968, 22460, 23024, 28780, 44920, 57560, 89840, 115120, 1615997, 3231994, 6463988, 8079985, 12927976, 16159970, 25855952, 32319940, 64639880, 129279760]

約数ペア:

[(1, 129279760), (2, 64639880), (4, 32319940), (5, 25855952), (8, 16159970), (10, 12927976), (16, 8079985), (20, 6463988), (40, 3231994), (80, 1615997), (1123, 115120), (1439, 89840), (2246, 57560), (2878, 44920), (4492, 28780), (5615, 23024), (5756, 22460), (7195, 17968), (8984, 14390), (11230, 11512)]