16335880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:430

約数の個数: 64

約数和(自身を含む): 40538880

約数和(自身を除く): 24203000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 137, 220, 271, 274, 440, 542, 548, 685, 1084, 1096, 1355, 1370, 1507, 2168, 2710, 2740, 2981, 3014, 5420, 5480, 5962, 6028, 7535, 10840, 11924, 12056, 14905, 15070, 23848, 29810, 30140, 37127, 59620, 60280, 74254, 119240, 148508, 185635, 297016, 371270, 408397, 742540, 816794, 1485080, 1633588, 2041985, 3267176, 4083970, 8167940, 16335880]

約数ペア:

[(1, 16335880), (2, 8167940), (4, 4083970), (5, 3267176), (8, 2041985), (10, 1633588), (11, 1485080), (20, 816794), (22, 742540), (40, 408397), (44, 371270), (55, 297016), (88, 185635), (110, 148508), (137, 119240), (220, 74254), (271, 60280), (274, 59620), (440, 37127), (542, 30140), (548, 29810), (685, 23848), (1084, 15070), (1096, 14905), (1355, 12056), (1370, 11924), (1507, 10840), (2168, 7535), (2710, 6028), (2740, 5962), (2981, 5480), (3014, 5420)]