15208840

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{727}}^1$

素因数の和:1261

約数の個数: 32

約数和(自身を含む): 34332480

約数和(自身を除く): 19123640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 727, 1046, 1454, 2092, 2615, 2908, 3635, 4184, 5230, 5816, 7270, 10460, 14540, 20920, 29080, 380221, 760442, 1520884, 1901105, 3041768, 3802210, 7604420, 15208840]

約数ペア:

[(1, 15208840), (2, 7604420), (4, 3802210), (5, 3041768), (8, 1901105), (10, 1520884), (20, 760442), (40, 380221), (523, 29080), (727, 20920), (1046, 14540), (1454, 10460), (2092, 7270), (2615, 5816), (2908, 5230), (3635, 4184)]