2019613040

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{231607}}^1$

素因数の和:231729

約数の個数: 40

約数和(自身を含む): 4738699680

約数和(自身を除く): 2719086640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 231607, 463214, 926428, 1158035, 1852856, 2316070, 3705712, 4632140, 9264280, 18528560, 25245163, 50490326, 100980652, 126225815, 201961304, 252451630, 403922608, 504903260, 1009806520, 2019613040]

約数ペア:

[(1, 2019613040), (2, 1009806520), (4, 504903260), (5, 403922608), (8, 252451630), (10, 201961304), (16, 126225815), (20, 100980652), (40, 50490326), (80, 25245163), (109, 18528560), (218, 9264280), (436, 4632140), (545, 3705712), (872, 2316070), (1090, 1852856), (1744, 1158035), (2180, 926428), (4360, 463214), (8720, 231607)]