66421760

素因数分解:

$2^{10}\times 5^1\times {\mathrm{12973}}^1$

素因数の和:12998

約数の個数: 44

約数和(自身を含む): 159346668

約数和(自身を除く): 92924908

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 12973, 25946, 51892, 64865, 103784, 129730, 207568, 259460, 415136, 518920, 830272, 1037840, 1660544, 2075680, 3321088, 4151360, 6642176, 8302720, 13284352, 16605440, 33210880, 66421760]

約数ペア:

[(1, 66421760), (2, 33210880), (4, 16605440), (5, 13284352), (8, 8302720), (10, 6642176), (16, 4151360), (20, 3321088), (32, 2075680), (40, 1660544), (64, 1037840), (80, 830272), (128, 518920), (160, 415136), (256, 259460), (320, 207568), (512, 129730), (640, 103784), (1024, 64865), (1280, 51892), (2560, 25946), (5120, 12973)]