31315760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{55921}}^1$

素因数の和:55941

約数の個数: 40

約数和(自身を含む): 83211936

約数和(自身を除く): 51896176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 55921, 111842, 223684, 279605, 391447, 447368, 559210, 782894, 894736, 1118420, 1565788, 1957235, 2236840, 3131576, 3914470, 4473680, 6263152, 7828940, 15657880, 31315760]

約数ペア:

[(1, 31315760), (2, 15657880), (4, 7828940), (5, 6263152), (7, 4473680), (8, 3914470), (10, 3131576), (14, 2236840), (16, 1957235), (20, 1565788), (28, 1118420), (35, 894736), (40, 782894), (56, 559210), (70, 447368), (80, 391447), (112, 279605), (140, 223684), (280, 111842), (560, 55921)]