7821040

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1657}}^1$

素因数の和:1729

約数の個数: 40

約数和(自身を含む): 18503280

約数和(自身を除く): 10682240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 1657, 2360, 3314, 4720, 6628, 8285, 13256, 16570, 26512, 33140, 66280, 97763, 132560, 195526, 391052, 488815, 782104, 977630, 1564208, 1955260, 3910520, 7821040]

約数ペア:

[(1, 7821040), (2, 3910520), (4, 1955260), (5, 1564208), (8, 977630), (10, 782104), (16, 488815), (20, 391052), (40, 195526), (59, 132560), (80, 97763), (118, 66280), (236, 33140), (295, 26512), (472, 16570), (590, 13256), (944, 8285), (1180, 6628), (1657, 4720), (2360, 3314)]