3988440080

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{457}}^1\times {\mathrm{859}}^1$

素因数の和:1456

約数の個数: 80

約数和(自身を含む): 9377495040

約数和(自身を除く): 5389054960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 457, 508, 635, 859, 914, 1016, 1270, 1718, 1828, 2032, 2285, 2540, 3436, 3656, 4295, 4570, 5080, 6872, 7312, 8590, 9140, 10160, 13744, 17180, 18280, 34360, 36560, 58039, 68720, 109093, 116078, 218186, 232156, 290195, 392563, 436372, 464312, 545465, 580390, 785126, 872744, 928624, 1090930, 1160780, 1570252, 1745488, 1962815, 2181860, 2321560, 3140504, 3925630, 4363720, 4643120, 6281008, 7851260, 8727440, 15702520, 31405040, 49855501, 99711002, 199422004, 249277505, 398844008, 498555010, 797688016, 997110020, 1994220040, 3988440080]

約数ペア:

[(1, 3988440080), (2, 1994220040), (4, 997110020), (5, 797688016), (8, 498555010), (10, 398844008), (16, 249277505), (20, 199422004), (40, 99711002), (80, 49855501), (127, 31405040), (254, 15702520), (457, 8727440), (508, 7851260), (635, 6281008), (859, 4643120), (914, 4363720), (1016, 3925630), (1270, 3140504), (1718, 2321560), (1828, 2181860), (2032, 1962815), (2285, 1745488), (2540, 1570252), (3436, 1160780), (3656, 1090930), (4295, 928624), (4570, 872744), (5080, 785126), (6872, 580390), (7312, 545465), (8590, 464312), (9140, 436372), (10160, 392563), (13744, 290195), (17180, 232156), (18280, 218186), (34360, 116078), (36560, 109093), (58039, 68720)]