54656840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{195203}}^1$

素因数の和:195221

約数の個数: 32

約数和(自身を含む): 140546880

約数和(自身を除く): 85890040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 195203, 390406, 780812, 976015, 1366421, 1561624, 1952030, 2732842, 3904060, 5465684, 6832105, 7808120, 10931368, 13664210, 27328420, 54656840]

約数ペア:

[(1, 54656840), (2, 27328420), (4, 13664210), (5, 10931368), (7, 7808120), (8, 6832105), (10, 5465684), (14, 3904060), (20, 2732842), (28, 1952030), (35, 1561624), (40, 1366421), (56, 976015), (70, 780812), (140, 390406), (280, 195203)]