205014920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{16067}}^1$

素因数の和:16118

約数の個数: 64

約数和(自身を含む): 520603200

約数和(自身を除く): 315588280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 1160, 1276, 1595, 2552, 3190, 6380, 12760, 16067, 32134, 64268, 80335, 128536, 160670, 176737, 321340, 353474, 465943, 642680, 706948, 883685, 931886, 1413896, 1767370, 1863772, 2329715, 3534740, 3727544, 4659430, 5125373, 7069480, 9318860, 10250746, 18637720, 20501492, 25626865, 41002984, 51253730, 102507460, 205014920]

約数ペア:

[(1, 205014920), (2, 102507460), (4, 51253730), (5, 41002984), (8, 25626865), (10, 20501492), (11, 18637720), (20, 10250746), (22, 9318860), (29, 7069480), (40, 5125373), (44, 4659430), (55, 3727544), (58, 3534740), (88, 2329715), (110, 1863772), (116, 1767370), (145, 1413896), (220, 931886), (232, 883685), (290, 706948), (319, 642680), (440, 465943), (580, 353474), (638, 321340), (1160, 176737), (1276, 160670), (1595, 128536), (2552, 80335), (3190, 64268), (6380, 32134), (12760, 16067)]