28795760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{51421}}^1$

素因数の和:51441

約数の個数: 40

約数和(自身を含む): 76515936

約数和(自身を除く): 47720176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 51421, 102842, 205684, 257105, 359947, 411368, 514210, 719894, 822736, 1028420, 1439788, 1799735, 2056840, 2879576, 3599470, 4113680, 5759152, 7198940, 14397880, 28795760]

約数ペア:

[(1, 28795760), (2, 14397880), (4, 7198940), (5, 5759152), (7, 4113680), (8, 3599470), (10, 2879576), (14, 2056840), (16, 1799735), (20, 1439788), (28, 1028420), (35, 822736), (40, 719894), (56, 514210), (70, 411368), (80, 359947), (112, 257105), (140, 205684), (280, 102842), (560, 51421)]