49900240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47981}}^1$

素因数の和:48007

約数の個数: 40

約数和(自身を含む): 124945128

約数和(自身を除く): 75044888

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 47981, 95962, 191924, 239905, 383848, 479810, 623753, 767696, 959620, 1247506, 1919240, 2495012, 3118765, 3838480, 4990024, 6237530, 9980048, 12475060, 24950120, 49900240]

約数ペア:

[(1, 49900240), (2, 24950120), (4, 12475060), (5, 9980048), (8, 6237530), (10, 4990024), (13, 3838480), (16, 3118765), (20, 2495012), (26, 1919240), (40, 1247506), (52, 959620), (65, 767696), (80, 623753), (104, 479810), (130, 383848), (208, 239905), (260, 191924), (520, 95962), (1040, 47981)]