138197680

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{11003}}^1$

素因数の和:11173

約数の個数: 40

約数和(自身を含む): 323385552

約数和(自身を除く): 185187872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 6280, 11003, 12560, 22006, 44012, 55015, 88024, 110030, 176048, 220060, 440120, 880240, 1727471, 3454942, 6909884, 8637355, 13819768, 17274710, 27639536, 34549420, 69098840, 138197680]

約数ペア:

[(1, 138197680), (2, 69098840), (4, 34549420), (5, 27639536), (8, 17274710), (10, 13819768), (16, 8637355), (20, 6909884), (40, 3454942), (80, 1727471), (157, 880240), (314, 440120), (628, 220060), (785, 176048), (1256, 110030), (1570, 88024), (2512, 55015), (3140, 44012), (6280, 22006), (11003, 12560)]