923412880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{6481}}^1$

素因数の和:6644

約数の個数: 80

約数和(自身を含む): 2329319664

約数和(自身を除く): 1405906784

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 137, 208, 260, 274, 520, 548, 685, 1040, 1096, 1370, 1781, 2192, 2740, 3562, 5480, 6481, 7124, 8905, 10960, 12962, 14248, 17810, 25924, 28496, 32405, 35620, 51848, 64810, 71240, 84253, 103696, 129620, 142480, 168506, 259240, 337012, 421265, 518480, 674024, 842530, 887897, 1348048, 1685060, 1775794, 3370120, 3551588, 4439485, 6740240, 7103176, 8878970, 11542661, 14206352, 17757940, 23085322, 35515880, 46170644, 57713305, 71031760, 92341288, 115426610, 184682576, 230853220, 461706440, 923412880]

約数ペア:

[(1, 923412880), (2, 461706440), (4, 230853220), (5, 184682576), (8, 115426610), (10, 92341288), (13, 71031760), (16, 57713305), (20, 46170644), (26, 35515880), (40, 23085322), (52, 17757940), (65, 14206352), (80, 11542661), (104, 8878970), (130, 7103176), (137, 6740240), (208, 4439485), (260, 3551588), (274, 3370120), (520, 1775794), (548, 1685060), (685, 1348048), (1040, 887897), (1096, 842530), (1370, 674024), (1781, 518480), (2192, 421265), (2740, 337012), (3562, 259240), (5480, 168506), (6481, 142480), (7124, 129620), (8905, 103696), (10960, 84253), (12962, 71240), (14248, 64810), (17810, 51848), (25924, 35620), (28496, 32405)]