51237280

素因数分解:

$2^5\times 5^1\times {\mathrm{431}}^1\times {\mathrm{743}}^1$

素因数の和:1189

約数の個数: 48

約数和(自身を含む): 121492224

約数和(自身を除く): 70254944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 431, 743, 862, 1486, 1724, 2155, 2972, 3448, 3715, 4310, 5944, 6896, 7430, 8620, 11888, 13792, 14860, 17240, 23776, 29720, 34480, 59440, 68960, 118880, 320233, 640466, 1280932, 1601165, 2561864, 3202330, 5123728, 6404660, 10247456, 12809320, 25618640, 51237280]

約数ペア:

[(1, 51237280), (2, 25618640), (4, 12809320), (5, 10247456), (8, 6404660), (10, 5123728), (16, 3202330), (20, 2561864), (32, 1601165), (40, 1280932), (80, 640466), (160, 320233), (431, 118880), (743, 68960), (862, 59440), (1486, 34480), (1724, 29720), (2155, 23776), (2972, 17240), (3448, 14860), (3715, 13792), (4310, 11888), (5944, 8620), (6896, 7430)]