64713890

素因数分解:

$2^1\times 5^1\times {\mathrm{1607}}^1\times {\mathrm{4027}}^1$

素因数の和:5641

約数の個数: 16

約数和(自身を含む): 116586432

約数和(自身を除く): 51872542

約数列:

[1, 2, 5, 10, 1607, 3214, 4027, 8035, 8054, 16070, 20135, 40270, 6471389, 12942778, 32356945, 64713890]

約数ペア:

[(1, 64713890), (2, 32356945), (5, 12942778), (10, 6471389), (1607, 40270), (3214, 20135), (4027, 16070), (8035, 8054)]