21507472240

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{383}}^1\times {\mathrm{3637}}^1$

素因数の和:4226

約数の個数: 80

約数和(自身を含む): 50409059328

約数和(自身を除く): 28901587088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 383, 386, 766, 772, 965, 1532, 1544, 1915, 1930, 3064, 3088, 3637, 3830, 3860, 6128, 7274, 7660, 7720, 14548, 15320, 15440, 18185, 29096, 30640, 36370, 58192, 72740, 73919, 145480, 147838, 290960, 295676, 369595, 591352, 701941, 739190, 1182704, 1392971, 1403882, 1478380, 2785942, 2807764, 2956760, 3509705, 5571884, 5615528, 5913520, 6964855, 7019410, 11143768, 11231056, 13929710, 14038820, 22287536, 27859420, 28077640, 55718840, 56155280, 111437680, 268843403, 537686806, 1075373612, 1344217015, 2150747224, 2688434030, 4301494448, 5376868060, 10753736120, 21507472240]

約数ペア:

[(1, 21507472240), (2, 10753736120), (4, 5376868060), (5, 4301494448), (8, 2688434030), (10, 2150747224), (16, 1344217015), (20, 1075373612), (40, 537686806), (80, 268843403), (193, 111437680), (383, 56155280), (386, 55718840), (766, 28077640), (772, 27859420), (965, 22287536), (1532, 14038820), (1544, 13929710), (1915, 11231056), (1930, 11143768), (3064, 7019410), (3088, 6964855), (3637, 5913520), (3830, 5615528), (3860, 5571884), (6128, 3509705), (7274, 2956760), (7660, 2807764), (7720, 2785942), (14548, 1478380), (15320, 1403882), (15440, 1392971), (18185, 1182704), (29096, 739190), (30640, 701941), (36370, 591352), (58192, 369595), (72740, 295676), (73919, 290960), (145480, 147838)]