19995187520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{811493}}^1$

素因数の和:811528

約数の個数: 112

約数和(自身を含む): 59362409088

約数和(自身を除く): 39367221568

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 704, 770, 880, 1120, 1232, 1540, 1760, 2240, 2464, 3080, 3520, 4928, 6160, 12320, 24640, 811493, 1622986, 3245972, 4057465, 5680451, 6491944, 8114930, 8926423, 11360902, 12983888, 16229860, 17852846, 22721804, 25967776, 28402255, 32459720, 35705692, 44632115, 45443608, 51935552, 56804510, 62484961, 64919440, 71411384, 89264230, 90887216, 113609020, 124969922, 129838880, 142822768, 178528460, 181774432, 227218040, 249939844, 259677760, 285645536, 312424805, 357056920, 363548864, 454436080, 499879688, 571291072, 624849610, 714113840, 908872160, 999759376, 1249699220, 1428227680, 1817744320, 1999518752, 2499398440, 2856455360, 3999037504, 4998796880, 9997593760, 19995187520]

約数ペア:

[(1, 19995187520), (2, 9997593760), (4, 4998796880), (5, 3999037504), (7, 2856455360), (8, 2499398440), (10, 1999518752), (11, 1817744320), (14, 1428227680), (16, 1249699220), (20, 999759376), (22, 908872160), (28, 714113840), (32, 624849610), (35, 571291072), (40, 499879688), (44, 454436080), (55, 363548864), (56, 357056920), (64, 312424805), (70, 285645536), (77, 259677760), (80, 249939844), (88, 227218040), (110, 181774432), (112, 178528460), (140, 142822768), (154, 129838880), (160, 124969922), (176, 113609020), (220, 90887216), (224, 89264230), (280, 71411384), (308, 64919440), (320, 62484961), (352, 56804510), (385, 51935552), (440, 45443608), (448, 44632115), (560, 35705692), (616, 32459720), (704, 28402255), (770, 25967776), (880, 22721804), (1120, 17852846), (1232, 16229860), (1540, 12983888), (1760, 11360902), (2240, 8926423), (2464, 8114930), (3080, 6491944), (3520, 5680451), (4928, 4057465), (6160, 3245972), (12320, 1622986), (24640, 811493)]