20110252040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2293}}^1\times {\mathrm{5099}}^1$

素因数の和:7446

約数の個数: 64

約数和(自身を含む): 46329624000

約数和(自身を除く): 26219371960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 2293, 4586, 5099, 9172, 10198, 11465, 18344, 20396, 22930, 25495, 40792, 45860, 50990, 91720, 98599, 101980, 197198, 203960, 219257, 394396, 438514, 492995, 788792, 877028, 985990, 1096285, 1754056, 1971980, 2192570, 3943960, 4385140, 8770280, 11692007, 23384014, 46768028, 58460035, 93536056, 116920070, 233840140, 467680280, 502756301, 1005512602, 2011025204, 2513781505, 4022050408, 5027563010, 10055126020, 20110252040]

約数ペア:

[(1, 20110252040), (2, 10055126020), (4, 5027563010), (5, 4022050408), (8, 2513781505), (10, 2011025204), (20, 1005512602), (40, 502756301), (43, 467680280), (86, 233840140), (172, 116920070), (215, 93536056), (344, 58460035), (430, 46768028), (860, 23384014), (1720, 11692007), (2293, 8770280), (4586, 4385140), (5099, 3943960), (9172, 2192570), (10198, 1971980), (11465, 1754056), (18344, 1096285), (20396, 985990), (22930, 877028), (25495, 788792), (40792, 492995), (45860, 438514), (50990, 394396), (91720, 219257), (98599, 203960), (101980, 197198)]