131322560

素因数分解:

$2^6\times 5^1\times {\mathrm{410383}}^1$

素因数の和:410400

約数の個数: 28

約数和(自身を含む): 312712608

約数和(自身を除く): 181390048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 410383, 820766, 1641532, 2051915, 3283064, 4103830, 6566128, 8207660, 13132256, 16415320, 26264512, 32830640, 65661280, 131322560]

約数ペア:

[(1, 131322560), (2, 65661280), (4, 32830640), (5, 26264512), (8, 16415320), (10, 13132256), (16, 8207660), (20, 6566128), (32, 4103830), (40, 3283064), (64, 2051915), (80, 1641532), (160, 820766), (320, 410383)]