12378320

素因数分解:

$2^4\times 5^1\times {\mathrm{359}}^1\times {\mathrm{431}}^1$

素因数の和:803

約数の個数: 40

約数和(自身を含む): 28926720

約数和(自身を除く): 16548400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 359, 431, 718, 862, 1436, 1724, 1795, 2155, 2872, 3448, 3590, 4310, 5744, 6896, 7180, 8620, 14360, 17240, 28720, 34480, 154729, 309458, 618916, 773645, 1237832, 1547290, 2475664, 3094580, 6189160, 12378320]

約数ペア:

[(1, 12378320), (2, 6189160), (4, 3094580), (5, 2475664), (8, 1547290), (10, 1237832), (16, 773645), (20, 618916), (40, 309458), (80, 154729), (359, 34480), (431, 28720), (718, 17240), (862, 14360), (1436, 8620), (1724, 7180), (1795, 6896), (2155, 5744), (2872, 4310), (3448, 3590)]