17904880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31973}}^1$

素因数の和:31993

約数の個数: 40

約数和(自身を含む): 47577312

約数和(自身を除く): 29672432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 31973, 63946, 127892, 159865, 223811, 255784, 319730, 447622, 511568, 639460, 895244, 1119055, 1278920, 1790488, 2238110, 2557840, 3580976, 4476220, 8952440, 17904880]

約数ペア:

[(1, 17904880), (2, 8952440), (4, 4476220), (5, 3580976), (7, 2557840), (8, 2238110), (10, 1790488), (14, 1278920), (16, 1119055), (20, 895244), (28, 639460), (35, 511568), (40, 447622), (56, 319730), (70, 255784), (80, 223811), (112, 159865), (140, 127892), (280, 63946), (560, 31973)]