205720278320

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1381}}^1\times {\mathrm{9749}}^1$

素因数の和:11334

約数の個数: 80

約数和(自身を含む): 481201344000

約数和(自身を除く): 275481065680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1381, 1528, 1910, 2762, 3056, 3820, 5524, 6905, 7640, 9749, 11048, 13810, 15280, 19498, 22096, 27620, 38996, 48745, 55240, 77992, 97490, 110480, 155984, 194980, 263771, 389960, 527542, 779920, 1055084, 1318855, 1862059, 2110168, 2637710, 3724118, 4220336, 5275420, 7448236, 9310295, 10550840, 13463369, 14896472, 18620590, 21101680, 26926738, 29792944, 37241180, 53853476, 67316845, 74482360, 107706952, 134633690, 148964720, 215413904, 269267380, 538534760, 1077069520, 2571503479, 5143006958, 10286013916, 12857517395, 20572027832, 25715034790, 41144055664, 51430069580, 102860139160, 205720278320]

約数ペア:

[(1, 205720278320), (2, 102860139160), (4, 51430069580), (5, 41144055664), (8, 25715034790), (10, 20572027832), (16, 12857517395), (20, 10286013916), (40, 5143006958), (80, 2571503479), (191, 1077069520), (382, 538534760), (764, 269267380), (955, 215413904), (1381, 148964720), (1528, 134633690), (1910, 107706952), (2762, 74482360), (3056, 67316845), (3820, 53853476), (5524, 37241180), (6905, 29792944), (7640, 26926738), (9749, 21101680), (11048, 18620590), (13810, 14896472), (15280, 13463369), (19498, 10550840), (22096, 9310295), (27620, 7448236), (38996, 5275420), (48745, 4220336), (55240, 3724118), (77992, 2637710), (97490, 2110168), (110480, 1862059), (155984, 1318855), (194980, 1055084), (263771, 779920), (389960, 527542)]