2017994320

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{235747}}^1$

素因数の和:235867

約数の個数: 40

約数和(自身を含む): 4735705824

約数和(自身を除く): 2717711504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 4280, 8560, 235747, 471494, 942988, 1178735, 1885976, 2357470, 3771952, 4714940, 9429880, 18859760, 25224929, 50449858, 100899716, 126124645, 201799432, 252249290, 403598864, 504498580, 1008997160, 2017994320]

約数ペア:

[(1, 2017994320), (2, 1008997160), (4, 504498580), (5, 403598864), (8, 252249290), (10, 201799432), (16, 126124645), (20, 100899716), (40, 50449858), (80, 25224929), (107, 18859760), (214, 9429880), (428, 4714940), (535, 3771952), (856, 2357470), (1070, 1885976), (1712, 1178735), (2140, 942988), (4280, 471494), (8560, 235747)]