77068940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{15601}}^1$

素因数の和:15642

約数の個数: 48

約数和(自身を含む): 183479520

約数和(自身を除く): 106410580

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 15601, 31202, 62404, 78005, 156010, 202813, 296419, 312020, 405626, 592838, 811252, 1014065, 1185676, 1482095, 2028130, 2964190, 3853447, 4056260, 5928380, 7706894, 15413788, 19267235, 38534470, 77068940]

約数ペア:

[(1, 77068940), (2, 38534470), (4, 19267235), (5, 15413788), (10, 7706894), (13, 5928380), (19, 4056260), (20, 3853447), (26, 2964190), (38, 2028130), (52, 1482095), (65, 1185676), (76, 1014065), (95, 811252), (130, 592838), (190, 405626), (247, 312020), (260, 296419), (380, 202813), (494, 156010), (988, 78005), (1235, 62404), (2470, 31202), (4940, 15601)]