202722560

素因数分解:

$2^8\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1453}}^1$

素因数の和:1583

約数の個数: 72

約数和(自身を含む): 490376040

約数和(自身を除く): 287653480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 256, 320, 436, 545, 640, 872, 1090, 1280, 1453, 1744, 2180, 2906, 3488, 4360, 5812, 6976, 7265, 8720, 11624, 13952, 14530, 17440, 23248, 27904, 29060, 34880, 46496, 58120, 69760, 92992, 116240, 139520, 158377, 185984, 232480, 316754, 371968, 464960, 633508, 791885, 929920, 1267016, 1583770, 1859840, 2534032, 3167540, 5068064, 6335080, 10136128, 12670160, 20272256, 25340320, 40544512, 50680640, 101361280, 202722560]

約数ペア:

[(1, 202722560), (2, 101361280), (4, 50680640), (5, 40544512), (8, 25340320), (10, 20272256), (16, 12670160), (20, 10136128), (32, 6335080), (40, 5068064), (64, 3167540), (80, 2534032), (109, 1859840), (128, 1583770), (160, 1267016), (218, 929920), (256, 791885), (320, 633508), (436, 464960), (545, 371968), (640, 316754), (872, 232480), (1090, 185984), (1280, 158377), (1453, 139520), (1744, 116240), (2180, 92992), (2906, 69760), (3488, 58120), (4360, 46496), (5812, 34880), (6976, 29060), (7265, 27904), (8720, 23248), (11624, 17440), (13952, 14530)]