31248560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1361}}^1$

素因数の和:1422

約数の個数: 80

約数和(自身を含む): 85119552

約数和(自身を除く): 53870992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 328, 410, 560, 574, 656, 820, 1148, 1361, 1435, 1640, 2296, 2722, 2870, 3280, 4592, 5444, 5740, 6805, 9527, 10888, 11480, 13610, 19054, 21776, 22960, 27220, 38108, 47635, 54440, 55801, 76216, 95270, 108880, 111602, 152432, 190540, 223204, 279005, 381080, 390607, 446408, 558010, 762160, 781214, 892816, 1116020, 1562428, 1953035, 2232040, 3124856, 3906070, 4464080, 6249712, 7812140, 15624280, 31248560]

約数ペア:

[(1, 31248560), (2, 15624280), (4, 7812140), (5, 6249712), (7, 4464080), (8, 3906070), (10, 3124856), (14, 2232040), (16, 1953035), (20, 1562428), (28, 1116020), (35, 892816), (40, 781214), (41, 762160), (56, 558010), (70, 446408), (80, 390607), (82, 381080), (112, 279005), (140, 223204), (164, 190540), (205, 152432), (280, 111602), (287, 108880), (328, 95270), (410, 76216), (560, 55801), (574, 54440), (656, 47635), (820, 38108), (1148, 27220), (1361, 22960), (1435, 21776), (1640, 19054), (2296, 13610), (2722, 11480), (2870, 10888), (3280, 9527), (4592, 6805), (5444, 5740)]