64539380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{811}}^1$

素因数の和:1016

約数の個数: 48

約数和(自身を含む): 142418304

約数和(自身を除く): 77878924

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 173, 230, 346, 460, 692, 811, 865, 1622, 1730, 3244, 3460, 3979, 4055, 7958, 8110, 15916, 16220, 18653, 19895, 37306, 39790, 74612, 79580, 93265, 140303, 186530, 280606, 373060, 561212, 701515, 1403030, 2806060, 3226969, 6453938, 12907876, 16134845, 32269690, 64539380]

約数ペア:

[(1, 64539380), (2, 32269690), (4, 16134845), (5, 12907876), (10, 6453938), (20, 3226969), (23, 2806060), (46, 1403030), (92, 701515), (115, 561212), (173, 373060), (230, 280606), (346, 186530), (460, 140303), (692, 93265), (811, 79580), (865, 74612), (1622, 39790), (1730, 37306), (3244, 19895), (3460, 18653), (3979, 16220), (4055, 15916), (7958, 8110)]