66965440

素因数分解:

$2^6\times 5^1\times {\mathrm{209267}}^1$

素因数の和:209284

約数の個数: 28

約数和(自身を含む): 159462216

約数和(自身を除く): 92496776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 209267, 418534, 837068, 1046335, 1674136, 2092670, 3348272, 4185340, 6696544, 8370680, 13393088, 16741360, 33482720, 66965440]

約数ペア:

[(1, 66965440), (2, 33482720), (4, 16741360), (5, 13393088), (8, 8370680), (10, 6696544), (16, 4185340), (20, 3348272), (32, 2092670), (40, 1674136), (64, 1046335), (80, 837068), (160, 418534), (320, 209267)]