80172560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{607}}^1$

素因数の和:760

約数の個数: 80

約数和(自身を含む): 202653696

約数和(自身を除く): 122481136

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 127, 130, 208, 254, 260, 508, 520, 607, 635, 1016, 1040, 1214, 1270, 1651, 2032, 2428, 2540, 3035, 3302, 4856, 5080, 6070, 6604, 7891, 8255, 9712, 10160, 12140, 13208, 15782, 16510, 24280, 26416, 31564, 33020, 39455, 48560, 63128, 66040, 77089, 78910, 126256, 132080, 154178, 157820, 308356, 315640, 385445, 616712, 631280, 770890, 1002157, 1233424, 1541780, 2004314, 3083560, 4008628, 5010785, 6167120, 8017256, 10021570, 16034512, 20043140, 40086280, 80172560]

約数ペア:

[(1, 80172560), (2, 40086280), (4, 20043140), (5, 16034512), (8, 10021570), (10, 8017256), (13, 6167120), (16, 5010785), (20, 4008628), (26, 3083560), (40, 2004314), (52, 1541780), (65, 1233424), (80, 1002157), (104, 770890), (127, 631280), (130, 616712), (208, 385445), (254, 315640), (260, 308356), (508, 157820), (520, 154178), (607, 132080), (635, 126256), (1016, 78910), (1040, 77089), (1214, 66040), (1270, 63128), (1651, 48560), (2032, 39455), (2428, 33020), (2540, 31564), (3035, 26416), (3302, 24280), (4856, 16510), (5080, 15782), (6070, 13208), (6604, 12140), (7891, 10160), (8255, 9712)]