1640395600

素因数分解:

$2^4\times 5^2\times {\mathrm{107}}^1\times {\mathrm{38327}}^1$

素因数の和:38452

約数の個数: 60

約数和(自身を含む): 3977986464

約数和(自身を除く): 2337590864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 107, 200, 214, 400, 428, 535, 856, 1070, 1712, 2140, 2675, 4280, 5350, 8560, 10700, 21400, 38327, 42800, 76654, 153308, 191635, 306616, 383270, 613232, 766540, 958175, 1533080, 1916350, 3066160, 3832700, 4100989, 7665400, 8201978, 15330800, 16403956, 20504945, 32807912, 41009890, 65615824, 82019780, 102524725, 164039560, 205049450, 328079120, 410098900, 820197800, 1640395600]

約数ペア:

[(1, 1640395600), (2, 820197800), (4, 410098900), (5, 328079120), (8, 205049450), (10, 164039560), (16, 102524725), (20, 82019780), (25, 65615824), (40, 41009890), (50, 32807912), (80, 20504945), (100, 16403956), (107, 15330800), (200, 8201978), (214, 7665400), (400, 4100989), (428, 3832700), (535, 3066160), (856, 1916350), (1070, 1533080), (1712, 958175), (2140, 766540), (2675, 613232), (4280, 383270), (5350, 306616), (8560, 191635), (10700, 153308), (21400, 76654), (38327, 42800)]