2019923680

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{742619}}^1$

素因数の和:742651

約数の個数: 48

約数和(自身を含む): 5052786480

約数和(自身を除く): 3032862800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 742619, 1485238, 2970476, 3713095, 5940952, 7426190, 11881904, 12624523, 14852380, 23763808, 25249046, 29704760, 50498092, 59409520, 63122615, 100996184, 118819040, 126245230, 201992368, 252490460, 403984736, 504980920, 1009961840, 2019923680]

約数ペア:

[(1, 2019923680), (2, 1009961840), (4, 504980920), (5, 403984736), (8, 252490460), (10, 201992368), (16, 126245230), (17, 118819040), (20, 100996184), (32, 63122615), (34, 59409520), (40, 50498092), (68, 29704760), (80, 25249046), (85, 23763808), (136, 14852380), (160, 12624523), (170, 11881904), (272, 7426190), (340, 5940952), (544, 3713095), (680, 2970476), (1360, 1485238), (2720, 742619)]