88728800

素因数分解:

$2^5\times 5^2\times {\mathrm{197}}^1\times {\mathrm{563}}^1$

素因数の和:780

約数の個数: 72

約数和(自身を含む): 218095416

約数和(自身を除く): 129366616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 197, 200, 394, 400, 563, 788, 800, 985, 1126, 1576, 1970, 2252, 2815, 3152, 3940, 4504, 4925, 5630, 6304, 7880, 9008, 9850, 11260, 14075, 15760, 18016, 19700, 22520, 28150, 31520, 39400, 45040, 56300, 78800, 90080, 110911, 112600, 157600, 221822, 225200, 443644, 450400, 554555, 887288, 1109110, 1774576, 2218220, 2772775, 3549152, 4436440, 5545550, 8872880, 11091100, 17745760, 22182200, 44364400, 88728800]

約数ペア:

[(1, 88728800), (2, 44364400), (4, 22182200), (5, 17745760), (8, 11091100), (10, 8872880), (16, 5545550), (20, 4436440), (25, 3549152), (32, 2772775), (40, 2218220), (50, 1774576), (80, 1109110), (100, 887288), (160, 554555), (197, 450400), (200, 443644), (394, 225200), (400, 221822), (563, 157600), (788, 112600), (800, 110911), (985, 90080), (1126, 78800), (1576, 56300), (1970, 45040), (2252, 39400), (2815, 31520), (3152, 28150), (3940, 22520), (4504, 19700), (4925, 18016), (5630, 15760), (6304, 14075), (7880, 11260), (9008, 9850)]