6641920

素因数分解:

$2^8\times 5^1\times {\mathrm{5189}}^1$

素因数の和:5210

約数の個数: 36

約数和(自身を含む): 15912540

約数和(自身を除く): 9270620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 5189, 10378, 20756, 25945, 41512, 51890, 83024, 103780, 166048, 207560, 332096, 415120, 664192, 830240, 1328384, 1660480, 3320960, 6641920]

約数ペア:

[(1, 6641920), (2, 3320960), (4, 1660480), (5, 1328384), (8, 830240), (10, 664192), (16, 415120), (20, 332096), (32, 207560), (40, 166048), (64, 103780), (80, 83024), (128, 51890), (160, 41512), (256, 25945), (320, 20756), (640, 10378), (1280, 5189)]